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File: cssmin-v3.0.0.php

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File: cssmin-v3.0.0.php
Role: Application script
Content type: text/plain
Description: Build of Version 3.0.0 (2011-07-13)
Class: CSSMin
Compact CSS style definitions
Author: By
Last change:
Date: 11 years ago
Size: 156,089 bytes
 

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<?php /** * CssMin - A (simple) css minifier with benefits * * -- * Copyright (c) 2011 Joe Scylla <joe.scylla@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * -- * * @package CssMin * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ /** * Abstract definition of a CSS token class. * * Every token has to extend this class. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssToken { /** * Returns the token as string. * * @return string */ abstract public function __toString(); } /** * Abstract definition of a for a ruleset start token. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssRulesetStartToken extends aCssToken { } /** * Abstract definition of a for ruleset end token. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssRulesetEndToken extends aCssToken { /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "}"; } } /** * Abstract definition of a parser plugin. * * Every parser plugin have to extend this class. A parser plugin contains the logic to parse one or aspects of a * stylesheet. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssParserPlugin { /** * Plugin configuration. * * @var array */ protected $configuration = array(); /** * The CssParser of the plugin. * * @var CssParser */ protected $parser = null; /** * Plugin buffer. * * @var string */ protected $buffer = ""; /** * Constructor. * * @param CssParser $parser The CssParser object of this plugin. * @param array $configuration Plugin configuration [optional] * @return void */ public function __construct(CssParser $parser, array $configuration = null) { $this->configuration = $configuration; $this->parser = $parser; } /** * Returns the array of chars triggering the parser plugin. * * @return array */ abstract public function getTriggerChars(); /** * Returns the array of states triggering the parser plugin or FALSE if every state will trigger the parser plugin. * * @return array */ abstract public function getTriggerStates(); /** * Parser routine of the plugin. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ abstract public function parse($index, $char, $previousChar, $state); } /** * Abstract definition of a minifier plugin class. * * Minifier plugin process the parsed tokens one by one to apply changes to the token. Every minifier plugin has to * extend this class. * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssMinifierPlugin { /** * Plugin configuration. * * @var array */ protected $configuration = array(); /** * The CssMinifier of the plugin. * * @var CssMinifier */ protected $minifier = null; /** * Constructor. * * @param CssMinifier $minifier The CssMinifier object of this plugin. * @param array $configuration Plugin configuration [optional] * @return void */ public function __construct(CssMinifier $minifier, array $configuration = array()) { $this->configuration = $configuration; $this->minifier = $minifier; } /** * Apply the plugin to the token. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ abstract public function apply(aCssToken &$token); /** * -- * * @return array */ abstract public function getTriggerTokens(); } /** * Abstract definition of a minifier filter class. * * Minifier filters allows a pre-processing of the parsed token to add, edit or delete tokens. Every minifier filter * has to extend this class. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssMinifierFilter { /** * Filter configuration. * * @var array */ protected $configuration = array(); /** * The CssMinifier of the filter. * * @var CssMinifier */ protected $minifier = null; /** * Constructor. * * @param CssMinifier $minifier The CssMinifier object of this plugin. * @param array $configuration Filter configuration [optional] * @return void */ public function __construct(CssMinifier $minifier, array $configuration = array()) { $this->configuration = $configuration; $this->minifier = $minifier; } /** * Filter the tokens. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ abstract public function apply(array &$tokens); } /** * Abstract formatter definition. * * Every formatter have to extend this class. * * @package CssMin/Formatter * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssFormatter { /** * Indent string. * * @var string */ protected $indent = " "; /** * Declaration padding. * * @var integer */ protected $padding = 0; /** * Tokens. * * @var array */ protected $tokens = array(); /** * Constructor. * * @param array $tokens Array of CssToken * @param string $indent Indent string [optional] * @param integer $padding Declaration value padding [optional] */ public function __construct(array $tokens, $indent = null, $padding = null) { $this->tokens = $tokens; $this->indent = !is_null($indent) ? $indent : $this->indent; $this->padding = !is_null($padding) ? $padding : $this->padding; } /** * Returns the array of aCssToken as formatted string. * * @return string */ abstract public function __toString(); } /** * Abstract definition of a ruleset declaration token. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssDeclarationToken extends aCssToken { /** * Is the declaration flagged as important? * * @var boolean */ public $IsImportant = false; /** * Is the declaration flagged as last one of the ruleset? * * @var boolean */ public $IsLast = false; /** * Property name of the declaration. * * @var string */ public $Property = ""; /** * Value of the declaration. * * @var string */ public $Value = ""; /** * Set the properties of the @font-face declaration. * * @param string $property Property of the declaration * @param string $value Value of the declaration * @param boolean $isImportant Is the !important flag is set? * @param boolean $IsLast Is the declaration the last one of the block? * @return void */ public function __construct($property, $value, $isImportant = false, $isLast = false) { $this->Property = $property; $this->Value = $value; $this->IsImportant = $isImportant; $this->IsLast = $isLast; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return $this->Property . ":" . $this->Value . ($this->IsImportant ? " !important" : "") . ($this->IsLast ? "" : ";"); } } /** * Abstract definition of a for at-rule block start token. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssAtBlockStartToken extends aCssToken { } /** * Abstract definition of a for at-rule block end token. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ abstract class aCssAtBlockEndToken extends aCssToken { /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "}"; } } /** * {@link aCssFromatter Formatter} returning the CSS source in {@link http://goo.gl/etzLs Whitesmiths indent style}. * * @package CssMin/Formatter * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssWhitesmithsFormatter extends aCssFormatter { /** * Implements {@link aCssFormatter::__toString()}. * * @return string */ public function __toString() { $r = array(); $level = 0; for ($i = 0, $l = count($this->tokens); $i < $l; $i++) { $token = $this->tokens[$i]; $class = get_class($token); $indent = str_repeat($this->indent, $level); if ($class === "CssCommentToken") { $lines = array_map("trim", explode("\n", $token->Comment)); for ($ii = 0, $ll = count($lines); $ii < $ll; $ii++) { $r[] = $indent . (substr($lines[$ii], 0, 1) == "*" ? " " : "") . $lines[$ii]; } } elseif ($class === "CssAtCharsetToken") { $r[] = $indent . "@charset " . $token->Charset . ";"; } elseif ($class === "CssAtFontFaceStartToken") { $r[] = $indent . "@font-face"; $r[] = $this->indent . $indent . "{"; $level++; } elseif ($class === "CssAtImportToken") { $r[] = $indent . "@import " . $token->Import . " " . implode(", ", $token->MediaTypes) . ";"; } elseif ($class === "CssAtKeyframesStartToken") { $r[] = $indent . "@keyframes \"" . $token->Name . "\""; $r[] = $this->indent . $indent . "{"; $level++; } elseif ($class === "CssAtMediaStartToken") { $r[] = $indent . "@media " . implode(", ", $token->MediaTypes); $r[] = $this->indent . $indent . "{"; $level++; } elseif ($class === "CssAtPageStartToken") { $r[] = $indent . "@page"; $r[] = $this->indent . $indent . "{"; $level++; } elseif ($class === "CssAtVariablesStartToken") { $r[] = $indent . "@variables " . implode(", ", $token->MediaTypes); $r[] = $this->indent . $indent . "{"; $level++; } elseif ($class === "CssRulesetStartToken" || $class === "CssAtKeyframesRulesetStartToken") { $r[] = $indent . implode(", ", $token->Selectors); $r[] = $this->indent . $indent . "{"; $level++; } elseif ($class == "CssAtFontFaceDeclarationToken" || $class === "CssAtKeyframesRulesetDeclarationToken" || $class === "CssAtPageDeclarationToken" || $class == "CssAtVariablesDeclarationToken" || $class === "CssRulesetDeclarationToken" ) { $declaration = $indent . $token->Property . ": "; if ($this->padding) { $declaration = str_pad($declaration, $this->padding, " ", STR_PAD_RIGHT); } $r[] = $declaration . $token->Value . ($token->IsImportant ? " !important" : "") . ";"; } elseif ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtKeyframesEndToken" || $class === "CssAtKeyframesRulesetEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken" || $class === "CssRulesetEndToken" ) { $r[] = $indent . "}"; $level--; } } return implode("\n", $r); } } /** * This {@link aCssMinifierPlugin} will process var-statement and sets the declaration value to the variable value. * * This plugin only apply the variable values. The variable values itself will get parsed by the * {@link CssVariablesMinifierFilter}. * * Example: * <code> * @variables * { * defaultColor: black; * } * color: var(defaultColor); * </code> * * Will get converted to: * <code> * color:black; * </code> * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssVariablesMinifierPlugin extends aCssMinifierPlugin { /** * Regular expression matching a value. * * @var string */ private $reMatch = "/var\((.+)\)/iSU"; /** * Parsed variables. * * @var array */ private $variables = null; /** * Returns the variables. * * @return array */ public function getVariables() { return $this->variables; } /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { if (stripos($token->Value, "var") !== false && preg_match_all($this->reMatch, $token->Value, $m)) { $mediaTypes = $token->MediaTypes; if (!in_array("all", $mediaTypes)) { $mediaTypes[] = "all"; } for ($i = 0, $l = count($m[0]); $i < $l; $i++) { $variable = trim($m[1][$i]); foreach ($mediaTypes as $mediaType) { if (isset($this->variables[$mediaType], $this->variables[$mediaType][$variable])) { // Variable value found => set the declaration value to the variable value and return $token->Value = str_replace($m[0][$i], $this->variables[$mediaType][$variable], $token->Value); continue 2; } } // If no value was found trigger an error and replace the token with a CssNullToken trigger_error(new CssError(__METHOD__ . ": No value found for variable <code>" . $variable . "</code> in media types <code>" . implode(", ", $mediaTypes) . "</code>", (string) $token), E_USER_WARNING); $token = new CssNullToken(); return true; } } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } /** * Sets the variables. * * @param array $variables Variables to set * @return void */ public function setVariables(array $variables) { $this->variables = $variables; } } /** * This {@link aCssMinifierFilter minifier filter} will parse the variable declarations out of @variables at-rule * blocks. The variables will get store in the {@link CssVariablesMinifierPlugin} that will apply the variables to * declaration. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssVariablesMinifierFilter extends aCssMinifierFilter { /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { $variables = array(); $defaultMediaTypes = array("all"); $mediaTypes = array(); $remove = array(); for($i = 0, $l = count($tokens); $i < $l; $i++) { // @variables at-rule block found if (get_class($tokens[$i]) === "CssAtVariablesStartToken") { $remove[] = $i; $mediaTypes = (count($tokens[$i]->MediaTypes) == 0 ? $defaultMediaTypes : $tokens[$i]->MediaTypes); foreach ($mediaTypes as $mediaType) { if (!isset($variables[$mediaType])) { $variables[$mediaType] = array(); } } // Read the variable declaration tokens for($i = $i; $i < $l; $i++) { // Found a variable declaration => read the variable values if (get_class($tokens[$i]) === "CssAtVariablesDeclarationToken") { foreach ($mediaTypes as $mediaType) { $variables[$mediaType][$tokens[$i]->Property] = $tokens[$i]->Value; } $remove[] = $i; } // Found the variables end token => break; elseif (get_class($tokens[$i]) === "CssAtVariablesEndToken") { $remove[] = $i; break; } } } } // Variables in @variables at-rule blocks foreach($variables as $mediaType => $null) { foreach($variables[$mediaType] as $variable => $value) { // If a var() statement in a variable value found... if (stripos($value, "var") !== false && preg_match_all("/var\((.+)\)/iSU", $value, $m)) { // ... then replace the var() statement with the variable values. for ($i = 0, $l = count($m[0]); $i < $l; $i++) { $variables[$mediaType][$variable] = str_replace($m[0][$i], (isset($variables[$mediaType][$m[1][$i]]) ? $variables[$mediaType][$m[1][$i]] : ""), $variables[$mediaType][$variable]); } } } } // Remove the complete @variables at-rule block foreach ($remove as $i) { $tokens[$i] = null; } if (!($plugin = $this->minifier->getPlugin("CssVariablesMinifierPlugin"))) { trigger_error(new CssError(__METHOD__ . ": The plugin <code>CssVariablesMinifierPlugin</code> was not found but is required for <code>" . __CLASS__ . "</code>"), E_USER_WARNING); } else { $plugin->setVariables($variables); } return count($remove); } } /** * {@link aCssParserPlugin Parser plugin} for preserve parsing url() values. * * This plugin return no {@link aCssToken CssToken} but ensures that url() values will get parsed properly. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssUrlParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("(", ")"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return false; } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of string if ($char === "(" && strtolower(substr($this->parser->getSource(), $index - 3, 4)) === "url(" && $state !== "T_URL") { $this->parser->pushState("T_URL"); $this->parser->setExclusive(__CLASS__); } // Escaped LF in url => remove escape backslash and LF elseif ($char === "\n" && $previousChar === "\\" && $state === "T_URL") { $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -2)); } // Parse error: Unescaped LF in string literal elseif ($char === "\n" && $previousChar !== "\\" && $state === "T_URL") { $line = $this->parser->getBuffer(); $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -1) . ")"); // Replace the LF with the url string delimiter $this->parser->popState(); $this->parser->unsetExclusive(); trigger_error(new CssError(__METHOD__ . ": Unterminated string literal", $line . "_"), E_USER_WARNING); } // End of string elseif ($char === ")" && $state === "T_URL") { $this->parser->popState(); $this->parser->unsetExclusive(); } else { return false; } return true; } } /** * {@link aCssParserPlugin Parser plugin} for preserve parsing string values. * * This plugin return no {@link aCssToken CssToken} but ensures that string values will get parsed properly. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssStringParserPlugin extends aCssParserPlugin { /** * Current string delimiter char. * * @var string */ private $delimiterChar = null; /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("\"", "'", "\n"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return false; } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of string if (($char === "\"" || $char === "'") && $state !== "T_STRING") { $this->delimiterChar = $char; $this->parser->pushState("T_STRING"); $this->parser->setExclusive(__CLASS__); } // Escaped LF in string => remove escape backslash and LF elseif ($char === "\n" && $previousChar === "\\" && $state === "T_STRING") { $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -2)); } // Parse error: Unescaped LF in string literal elseif ($char === "\n" && $previousChar !== "\\" && $state === "T_STRING") { $line = $this->parser->getBuffer(); $this->parser->popState(); $this->parser->unsetExclusive(); $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -1) . $this->delimiterChar); // Replace the LF with the current string char trigger_error(new CssError(__METHOD__ . ": Unterminated string literal", $line . "_"), E_USER_WARNING); $this->delimiterChar = null; } // End of string elseif ($char === $this->delimiterChar && $state === "T_STRING") { // If the Previous char is a escape char count the amount of the previous escape chars. If the amount of // escape chars is uneven do not end the string if ($previousChar == "\\") { $source = $this->parser->getSource(); $c = 1; $i = $index - 2; while (substr($source, $i, 1) === "\\") { $c++; $i--; } if ($c % 2) { return false; } } $this->parser->popState(); $this->parser->unsetExclusive(); $this->delimiterChar = null; } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the start of a ruleset. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRulesetStartToken extends aCssRulesetStartToken { /** * Array of selectors. * * @var array */ public $Selectors = array(); /** * Set the properties of a ruleset token. * * @param array $selectors Selectors of the ruleset * @return void */ public function __construct(array $selectors = array()) { $this->Selectors = $selectors; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return implode(",", $this->Selectors) . "{"; } } /** * {@link aCssParserPlugin Parser plugin} for parsing ruleset block with including declarations. * * Found rulesets will add a {@link CssRulesetStartToken} and {@link CssRulesetEndToken} to the * parser; including declarations as {@link CssRulesetDeclarationToken}. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRulesetParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array(",", "{", "}", ":", ";"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_MEDIA", "T_RULESET::SELECTORS", "T_RULESET", "T_RULESET_DECLARATION"); } /** * Selectors. * * @var array */ private $selectors = array(); /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of Ruleset and selectors if ($char === "," && ($state === "T_DOCUMENT" || $state === "T_AT_MEDIA" || $state === "T_RULESET::SELECTORS")) { if ($state !== "T_RULESET::SELECTORS") { $this->parser->pushState("T_RULESET::SELECTORS"); } $this->selectors[] = $this->parser->getAndClearBuffer(",{"); } // End of selectors and start of declarations elseif ($char === "{" && ($state === "T_DOCUMENT" || $state === "T_AT_MEDIA" || $state === "T_RULESET::SELECTORS")) { if ($this->parser->getBuffer() !== "") { $this->selectors[] = $this->parser->getAndClearBuffer(",{"); if ($state == "T_RULESET::SELECTORS") { $this->parser->popState(); } $this->parser->pushState("T_RULESET"); $this->parser->appendToken(new CssRulesetStartToken($this->selectors)); $this->selectors = array(); } } // Start of declaration elseif ($char === ":" && $state === "T_RULESET") { $this->parser->pushState("T_RULESET_DECLARATION"); $this->buffer = $this->parser->getAndClearBuffer(":;", true); } // Unterminated ruleset declaration elseif ($char === ":" && $state === "T_RULESET_DECLARATION") { // Ignore Internet Explorer filter declarations if ($this->buffer === "filter") { return false; } trigger_error(new CssError(__METHOD__ . ": Unterminated declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING); } // End of declaration elseif (($char === ";" || $char === "}") && $state === "T_RULESET_DECLARATION") { $value = $this->parser->getAndClearBuffer(";}"); if (strtolower(substr($value, -10, 10)) === "!important") { $value = trim(substr($value, 0, -10)); $isImportant = true; } else { $isImportant = false; } $this->parser->popState(); $this->parser->appendToken(new CssRulesetDeclarationToken($this->buffer, $value, $this->parser->getMediaTypes(), $isImportant)); // Declaration ends with a right curly brace; so we have to end the ruleset if ($char === "}") { $this->parser->appendToken(new CssRulesetEndToken()); $this->parser->popState(); } $this->buffer = ""; } // End of ruleset elseif ($char === "}" && $state === "T_RULESET") { $this->parser->popState(); $this->parser->clearBuffer(); $this->parser->appendToken(new CssRulesetEndToken()); $this->buffer = ""; $this->selectors = array(); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the end of a ruleset. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRulesetEndToken extends aCssRulesetEndToken { } /** * This {@link aCssToken CSS token} represents a ruleset declaration. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRulesetDeclarationToken extends aCssDeclarationToken { /** * Media types of the declaration. * * @var array */ public $MediaTypes = array("all"); /** * Set the properties of a ddocument- or at-rule @media level declaration. * * @param string $property Property of the declaration * @param string $value Value of the declaration * @param mixed $mediaTypes Media types of the declaration * @param boolean $isImportant Is the !important flag is set * @param boolean $isLast Is the declaration the last one of the ruleset * @return void */ public function __construct($property, $value, $mediaTypes = null, $isImportant = false, $isLast = false) { parent::__construct($property, $value, $isImportant, $isLast); $this->MediaTypes = $mediaTypes ? $mediaTypes : array("all"); } } /** * This {@link aCssMinifierFilter minifier filter} sets the IsLast property of any last declaration in a ruleset, * @font-face at-rule or @page at-rule block. If the property IsLast is TRUE the decrations will get stringified * without tailing semicolon. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRemoveLastDelarationSemiColonMinifierFilter extends aCssMinifierFilter { /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { for ($i = 0, $l = count($tokens); $i < $l; $i++) { $current = get_class($tokens[$i]); $next = isset($tokens[$i+1]) ? get_class($tokens[$i+1]) : false; if (($current === "CssRulesetDeclarationToken" && $next === "CssRulesetEndToken") || ($current === "CssAtFontFaceDeclarationToken" && $next === "CssAtFontFaceEndToken") || ($current === "CssAtPageDeclarationToken" && $next === "CssAtPageEndToken")) { $tokens[$i]->IsLast = true; } } return 0; } } /** * This {@link aCssMinifierFilter minifier filter} will remove any empty rulesets (including @keyframes at-rule block * rulesets). * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRemoveEmptyRulesetsMinifierFilter extends aCssMinifierFilter { /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { $r = 0; for ($i = 0, $l = count($tokens); $i < $l; $i++) { $current = get_class($tokens[$i]); $next = isset($tokens[$i + 1]) ? get_class($tokens[$i + 1]) : false; if (($current === "CssRulesetStartToken" && $next === "CssRulesetEndToken") || ($current === "CssAtKeyframesRulesetStartToken" && $next === "CssAtKeyframesRulesetEndToken" && !array_intersect(array("from", "0%", "to", "100%"), array_map("strtolower", $tokens[$i]->Selectors))) ) { $tokens[$i] = null; $tokens[$i + 1] = null; $i++; $r = $r + 2; } } return $r; } } /** * This {@link aCssMinifierFilter minifier filter} will remove any empty @font-face, @keyframes, @media and @page * at-rule blocks. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRemoveEmptyAtBlocksMinifierFilter extends aCssMinifierFilter { /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { $r = 0; for ($i = 0, $l = count($tokens); $i < $l; $i++) { $current = get_class($tokens[$i]); $next = isset($tokens[$i + 1]) ? get_class($tokens[$i + 1]) : false; if (($current === "CssAtFontFaceStartToken" && $next === "CssAtFontFaceEndToken") || ($current === "CssAtKeyframesStartToken" && $next === "CssAtKeyframesEndToken") || ($current === "CssAtPageStartToken" && $next === "CssAtPageEndToken") || ($current === "CssAtMediaStartToken" && $next === "CssAtMediaEndToken")) { $tokens[$i] = null; $tokens[$i + 1] = null; $i++; $r = $r + 2; } } return $r; } } /** * This {@link aCssMinifierFilter minifier filter} will remove any comments from the array of parsed tokens. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssRemoveCommentsMinifierFilter extends aCssMinifierFilter { /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { $r = 0; for ($i = 0, $l = count($tokens); $i < $l; $i++) { if (get_class($tokens[$i]) === "CssCommentToken") { $tokens[$i] = null; $r++; } } return $r; } } /** * CSS Parser. * * @package CssMin/Parser * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssParser { /** * Parse buffer. * * @var string */ private $buffer = ""; /** * {@link aCssParserPlugin Plugins}. * * @var array */ private $plugins = array(); /** * Source to parse. * * @var string */ private $source = ""; /** * Current state. * * @var integer */ private $state = "T_DOCUMENT"; /** * Exclusive state. * * @var string */ private $stateExclusive = false; /** * Media types state. * * @var mixed */ private $stateMediaTypes = false; /** * State stack. * * @var array */ private $states = array("T_DOCUMENT"); /** * Parsed tokens. * * @var array */ private $tokens = array(); /** * Constructer. * * Create instances of the used {@link aCssParserPlugin plugins}. * * @param string $source CSS source [optional] * @param array $plugins Plugin configuration [optional] * @return void */ public function __construct($source = null, array $plugins = null) { $plugins = array_merge(array ( "Comment" => true, "String" => true, "Url" => true, "Expression" => true, "Ruleset" => true, "AtCharset" => true, "AtFontFace" => true, "AtImport" => true, "AtKeyframes" => true, "AtMedia" => true, "AtPage" => true, "AtVariables" => true ), is_array($plugins) ? $plugins : array()); // Create plugin instances foreach ($plugins as $name => $config) { if ($config !== false) { $class = "Css" . $name . "ParserPlugin"; $config = is_array($config) ? $config : array(); if (class_exists($class)) { $this->plugins[] = new $class($this, $config); } else { trigger_error(new CssError(__METHOD__ . ": The plugin <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"), E_USER_WARNING); } } } if (!is_null($source)) { $this->parse($source); } } /** * Append a token to the array of tokens. * * @param aCssToken $token Token to append * @return void */ public function appendToken(aCssToken $token) { $this->tokens[] = $token; } /** * Clears the current buffer. * * @return void */ public function clearBuffer() { $this->buffer = ""; } /** * Returns and clear the current buffer. * * @param string $trim Chars to use to trim the returned buffer * @param boolean $tolower if TRUE the returned buffer will get converted to lower case * @return string */ public function getAndClearBuffer($trim = "", $tolower = false) { $r = $this->getBuffer($trim, $tolower); $this->buffer = ""; return $r; } /** * Returns the current buffer. * * @param string $trim Chars to use to trim the returned buffer * @param boolean $tolower if TRUE the returned buffer will get converted to lower case * @return string */ public function getBuffer($trim = "", $tolower = false) { $r = $this->buffer; if ($trim) { $r = trim($r, " \t\n\r\0\x0B" . $trim); } if ($tolower) { $r = strtolower($r); } return $r; } /** * Returns the current media types state. * * @return array */ public function getMediaTypes() { return $this->stateMediaTypes; } /** * Returns the CSS source. * * @return string */ public function getSource() { return $this->source; } /** * Returns the current state. * * @return integer The current state */ public function getState() { return $this->state; } /** * Returns a plugin by class name. * * @param string $name Class name of the plugin * @return aCssParserPlugin */ public function getPlugin($class) { static $index = null; if (is_null($index)) { $index = array(); for ($i = 0, $l = count($this->plugins); $i < $l; $i++) { $index[get_class($this->plugins[$i])] = $i; } } return isset($index[$class]) ? $this->plugins[$index[$class]] : false; } /** * Returns the parsed tokens. * * @return array */ public function getTokens() { return $this->tokens; } /** * Returns if the current state equals the passed state. * * @param integer $state State to compare with the current state * @return boolean TRUE is the state equals to the passed state; FALSE if not */ public function isState($state) { return ($this->state == $state); } /** * Parse the CSS source and return a array with parsed tokens. * * @param string $source CSS source * @return array Array with tokens */ public function parse($source) { // Reset $this->source = ""; $this->tokens = array(); // Create a global and plugin lookup table for trigger chars; set array of plugins as local variable and create // several helper variables for plugin handling $globalTriggerChars = ""; $plugins = $this->plugins; $pluginCount = count($plugins); $pluginIndex = array(); $pluginTriggerStates = array(); $pluginTriggerChars = array(); for ($i = 0, $l = count($plugins); $i < $l; $i++) { $tPluginClassName = get_class($plugins[$i]); $pluginTriggerChars[$i] = implode("", $plugins[$i]->getTriggerChars()); $tPluginTriggerStates = $plugins[$i]->getTriggerStates(); $pluginTriggerStates[$i] = $tPluginTriggerStates === false ? false : "|" . implode("|", $tPluginTriggerStates) . "|"; $pluginIndex[$tPluginClassName] = $i; for ($ii = 0, $ll = strlen($pluginTriggerChars[$i]); $ii < $ll; $ii++) { $c = substr($pluginTriggerChars[$i], $ii, 1); if (strpos($globalTriggerChars, $c) === false) { $globalTriggerChars .= $c; } } } // Normalise line endings $source = str_replace("\r\n", "\n", $source); // Windows to Unix line endings $source = str_replace("\r", "\n", $source); // Mac to Unix line endings $this->source = $source; // Variables $buffer = &$this->buffer; $exclusive = &$this->stateExclusive; $state = &$this->state; $c = $p = null; // -- for ($i = 0, $l = strlen($source); $i < $l; $i++) { // Set the current Char $c = $source[$i]; // Is faster than: $c = substr($source, $i, 1); // Filter double whitespace characters if (($c === " " || $c === "\t" || $c === "\n") && ($p === " " || $p === "\t" || $p === "\n") && $this->stateExclusive === false) { continue; } $buffer .= $c; // Extended processing only if the current char is a global trigger char if (strpos($globalTriggerChars, $c) !== false) { // Exclusive state is set; process with the exclusive plugin if ($exclusive) { $tPluginIndex = $pluginIndex[$exclusive]; if (strpos($pluginTriggerChars[$tPluginIndex], $c) !== false && ($pluginTriggerStates[$tPluginIndex] === false || strpos($pluginTriggerStates[$tPluginIndex], $state) !== false)) { $r = $plugins[$tPluginIndex]->parse($i, $c, $p, $state); // Return value is TRUE => continue with next char if ($r === true) { continue; } // Return value is numeric => set new index and continue with next char elseif ($r !== false && $r != $i) { $i = $r; continue; } } } // Else iterate through the plugins else { $triggerState = "|" . $state . "|"; for ($ii = 0, $ll = $pluginCount; $ii < $ll; $ii++) { // Only process if the current char is one of the plugin trigger chars if (strpos($pluginTriggerChars[$ii], $c) !== false && ($pluginTriggerStates[$ii] === false || strpos($pluginTriggerStates[$ii], $triggerState) !== false)) { // Process with the plugin $r = $plugins[$ii]->parse($i, $c, $p, $state); // Return value is TRUE => break the plugin loop and and continue with next char if ($r === true) { break; } // Return value is numeric => set new index, break the plugin loop and and continue with next char elseif ($r !== false && $r != $i) { $i = $r; break; } } } } } $p = $c; // Set the parent char } return $this->tokens; } /** * Remove the last state of the state stack and return the removed stack value. * * @return integer Removed state value */ public function popState() { $r = array_pop($this->states); $this->state = $this->states[count($this->states) - 1]; return $r; } /** * Adds a new state onto the state stack. * * @param integer $state State to add onto the state stack. * @return integer The index of the added state in the state stacks */ public function pushState($state) { $r = array_push($this->states, $state); $this->state = $this->states[count($this->states) - 1]; return $r; } /** * Sets/restores the buffer. * * @param string $buffer Buffer to set * @return void */ public function setBuffer($buffer) { $this->buffer = $buffer; } /** * Set the exclusive state. * * @param string $exclusive Exclusive state * @return void */ public function setExclusive($exclusive) { $this->stateExclusive = $exclusive; } /** * Set the media types state. * * @param array $mediaTypes Media types state * @return void */ public function setMediaTypes(array $mediaTypes) { $this->stateMediaTypes = $mediaTypes; } /** * Sets the current state in the state stack; equals to {@link CssParser::popState()} + {@link CssParser::pushState()}. * * @param integer $state State to set * @return integer */ public function setState($state) { $r = array_pop($this->states); array_push($this->states, $state); $this->state = $this->states[count($this->states) - 1]; return $r; } /** * Removes the exclusive state. * * @return void */ public function unsetExclusive() { $this->stateExclusive = false; } /** * Removes the media types state. * * @return void */ public function unsetMediaTypes() { $this->stateMediaTypes = false; } } /** * {@link aCssFromatter Formatter} returning the CSS source in {@link http://goo.gl/j4XdU OTBS indent style} (The One True Brace Style). * * @package CssMin/Formatter * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssOtbsFormatter extends aCssFormatter { /** * Implements {@link aCssFormatter::__toString()}. * * @return string */ public function __toString() { $r = array(); $level = 0; for ($i = 0, $l = count($this->tokens); $i < $l; $i++) { $token = $this->tokens[$i]; $class = get_class($token); $indent = str_repeat($this->indent, $level); if ($class === "CssCommentToken") { $lines = array_map("trim", explode("\n", $token->Comment)); for ($ii = 0, $ll = count($lines); $ii < $ll; $ii++) { $r[] = $indent . (substr($lines[$ii], 0, 1) == "*" ? " " : "") . $lines[$ii]; } } elseif ($class === "CssAtCharsetToken") { $r[] = $indent . "@charset " . $token->Charset . ";"; } elseif ($class === "CssAtFontFaceStartToken") { $r[] = $indent . "@font-face {"; $level++; } elseif ($class === "CssAtImportToken") { $r[] = $indent . "@import " . $token->Import . " " . implode(", ", $token->MediaTypes) . ";"; } elseif ($class === "CssAtKeyframesStartToken") { $r[] = $indent . "@keyframes \"" . $token->Name . "\" {"; $level++; } elseif ($class === "CssAtMediaStartToken") { $r[] = $indent . "@media " . implode(", ", $token->MediaTypes) . " {"; $level++; } elseif ($class === "CssAtPageStartToken") { $r[] = $indent . "@page {"; $level++; } elseif ($class === "CssAtVariablesStartToken") { $r[] = $indent . "@variables " . implode(", ", $token->MediaTypes) . " {"; $level++; } elseif ($class === "CssRulesetStartToken" || $class === "CssAtKeyframesRulesetStartToken") { $r[] = $indent . implode(", ", $token->Selectors) . " {"; $level++; } elseif ($class == "CssAtFontFaceDeclarationToken" || $class === "CssAtKeyframesRulesetDeclarationToken" || $class === "CssAtPageDeclarationToken" || $class == "CssAtVariablesDeclarationToken" || $class === "CssRulesetDeclarationToken" ) { $declaration = $indent . $token->Property . ": "; if ($this->padding) { $declaration = str_pad($declaration, $this->padding, " ", STR_PAD_RIGHT); } $r[] = $declaration . $token->Value . ($token->IsImportant ? " !important" : "") . ";"; } elseif ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtKeyframesEndToken" || $class === "CssAtKeyframesRulesetEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken" || $class === "CssRulesetEndToken" ) { $level--; $r[] = str_repeat($indent, $level) . "}"; } } return implode("\n", $r); } } /** * This {@link aCssToken CSS token} is a utility token that extends {@link aNullToken} and returns only a empty string. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssNullToken extends aCssToken { /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return ""; } } /** * CSS Minifier. * * @package CssMin/Minifier * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssMinifier { /** * {@link aCssMinifierFilter Filters}. * * @var array */ private $filters = array(); /** * {@link aCssMinifierPlugin Plugins}. * * @var array */ private $plugins = array(); /** * Minified source. * * @var string */ private $minified = ""; /** * Constructer. * * Creates instances of {@link aCssMinifierFilter filters} and {@link aCssMinifierPlugin plugins}. * * @param string $source CSS source [optional] * @param array $filters Filter configuration [optional] * @param array $plugins Plugin configuration [optional] * @return void */ public function __construct($source = null, array $filters = null, array $plugins = null) { $filters = array_merge(array ( "ImportImports" => false, "RemoveComments" => true, "RemoveEmptyRulesets" => true, "RemoveEmptyAtBlocks" => true, "ConvertLevel3Properties" => false, "ConvertLevel3AtKeyframes" => false, "Variables" => true, "RemoveLastDelarationSemiColon" => true ), is_array($filters) ? $filters : array()); $plugins = array_merge(array ( "Variables" => true, "ConvertFontWeight" => false, "ConvertHslColors" => false, "ConvertRgbColors" => false, "ConvertNamedColors" => false, "CompressColorValues" => false, "CompressUnitValues" => false, "CompressExpressionValues" => false ), is_array($plugins) ? $plugins : array()); // Filters foreach ($filters as $name => $config) { if ($config !== false) { $class = "Css" . $name . "MinifierFilter"; $config = is_array($config) ? $config : array(); if (class_exists($class)) { $this->filters[] = new $class($this, $config); } else { trigger_error(new CssError(__METHOD__ . ": The filter <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"), E_USER_WARNING); } } } // Plugins foreach ($plugins as $name => $config) { if ($config !== false) { $class = "Css" . $name . "MinifierPlugin"; $config = is_array($config) ? $config : array(); if (class_exists($class)) { $this->plugins[] = new $class($this, $config); } else { trigger_error(new CssError(__METHOD__ . ": The plugin <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"), E_USER_WARNING); } } } // -- if (!is_null($source)) { $this->minify($source); } } /** * Returns the minified Source. * * @return string */ public function getMinified() { return $this->minified; } /** * Returns a plugin by class name. * * @param string $name Class name of the plugin * @return aCssMinifierPlugin */ public function getPlugin($class) { static $index = null; if (is_null($index)) { $index = array(); for ($i = 0, $l = count($this->plugins); $i < $l; $i++) { $index[get_class($this->plugins[$i])] = $i; } } return isset($index[$class]) ? $this->plugins[$index[$class]] : false; } /** * Minifies the CSS source. * * @param string $source CSS source * @return string */ public function minify($source) { // Variables $r = ""; $parser = new CssParser($source); $tokens = $parser->getTokens(); $filters = $this->filters; $filterCount = count($this->filters); $plugins = $this->plugins; $pluginCount = count($plugins); $pluginIndex = array(); $pluginTriggerTokens = array(); $globalTriggerTokens = array(); for ($i = 0, $l = count($plugins); $i < $l; $i++) { $tPluginClassName = get_class($plugins[$i]); $pluginTriggerTokens[$i] = $plugins[$i]->getTriggerTokens(); foreach ($pluginTriggerTokens[$i] as $v) { if (!in_array($v, $globalTriggerTokens)) { $globalTriggerTokens[] = $v; } } $pluginTriggerTokens[$i] = "|" . implode("|", $pluginTriggerTokens[$i]) . "|"; $pluginIndex[$tPluginClassName] = $i; } $globalTriggerTokens = "|" . implode("|", $globalTriggerTokens) . "|"; /* * Apply filters */ for($i = 0; $i < $filterCount; $i++) { // Apply the filter; if the return value is larger than 0... if ($filters[$i]->apply($tokens) > 0) { // ...then filter null values and rebuild the token array $tokens = array_values(array_filter($tokens)); } } $tokenCount = count($tokens); /* * Apply plugins */ for($i = 0; $i < $tokenCount; $i++) { $triggerToken = "|" . get_class($tokens[$i]) . "|"; if (strpos($globalTriggerTokens, $triggerToken) !== false) { for($ii = 0; $ii < $pluginCount; $ii++) { if (strpos($pluginTriggerTokens[$ii], $triggerToken) !== false || $pluginTriggerTokens[$ii] === false) { // Apply the plugin; if the return value is TRUE continue to the next token if ($plugins[$ii]->apply($tokens[$i]) === true) { continue 2; } } } } } // Stringify the tokens for($i = 0; $i < $tokenCount; $i++) { $r .= (string) $tokens[$i]; } $this->minified = $r; return $r; } } /** * CssMin - A (simple) css minifier with benefits * * -- * Copyright (c) 2011 Joe Scylla <joe.scylla@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * -- * * @package CssMin * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssMin { /** * Index of classes * * @var array */ private static $classIndex = array(); /** * @link http://goo.gl/JrW54 Autoload} function of CssMin. * * @param string $class Name of the class * @return void */ public static function autoload($class) { if (isset(self::$classIndex[$class])) { require(self::$classIndex[$class]); } } /** * Create a build version of CssMin. * * @param string $target Path including file name were the build version should be saved [optional] * @return string Minifed build version */ public static function build($target = "") { $files = array(); $source = ""; $comment = ""; // Get all source files $paths = array(dirname(__FILE__)); while (list($i, $path) = each($paths)) { foreach (glob($path . "*", GLOB_MARK | GLOB_ONLYDIR | GLOB_NOSORT) as $subDirectory) { $paths[] = $subDirectory; } foreach (glob($path . "*.php", 0) as $file) { $files[basename($file)] = $file; } } krsort($files); // Read the content of the source files and extract the main comment block foreach ($files as $file) { if (basename($file) == "CssMin.php") { $comment = file_get_contents($file);; preg_match("/\/\*.+\*\//sU", $comment, $m); $comment = $m[0]; } $source .= file_get_contents($file); } // Remove php delimiters $source = str_replace(array("", ""), "", $source); // Add php delimiters and the main comment and save the file $source = "\n" . $comment . $source . ""; if ($target && file_put_contents($target, $source) === false) { return false; } return $source; } /** * Initialises CssMin. * * @return void */ public static function initialise() { // Create the class index for autoloading or including $paths = array(dirname(__FILE__)); while (list($i, $path) = each($paths)) { $subDirectorys = glob($path . "*", GLOB_MARK | GLOB_ONLYDIR | GLOB_NOSORT); if (is_array($subDirectorys)) { foreach ($subDirectorys as $subDirectory) { $paths[] = $subDirectory; } } $files = glob($path . "*.php", 0); if (is_array($files)) { foreach ($files as $file) { $class = substr(basename($file), 0, -4); self::$classIndex[$class] = $file; } } } krsort(self::$classIndex); // Only use autoloading if spl_autoload_register() is available and no __autoload() is defined (because // __autoload() breaks if spl_autoload_register() is used. if (function_exists("spl_autoload_register") && !is_callable("__autoload")) { spl_autoload_register(array(__CLASS__, "autoload")); } // Otherwise include all class files else { foreach (self::$classIndex as $class => $file) { if (!class_exists($class)) { require_once($file); } } } } /** * Minifies CSS source. * * @param string $source CSS source * @param array $filters Filter configuration [optional] * @param array $plugins Plugin configuration [optional] * @return string Minified CSS */ public static function minify($source, array $filters = null, array $plugins = null) { $minifier = new CssMinifier($source, $filters, $plugins); return $minifier->getMinified(); } /** * Parse the CSS source. * * @param string $source CSS source * @param array $plugins Plugin configuration [optional] * @return array Array of aCssToken */ public static function parse($source, array $plugins = null) { $parser = new CssParser($source, $plugins); return $parser->getTokens(); } } // Initialises CssMin CssMin::initialise(); /** * This {@link aCssMinifierFilter minifier filter} import external css files defined with the @import at-rule into the * current stylesheet. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssImportImportsMinifierFilter extends aCssMinifierFilter { /** * Array with already imported external stylesheets. * * @var array */ private $imported = array(); /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { if (!isset($this->configuration["BasePath"]) || !is_dir($this->configuration["BasePath"])) { trigger_error(new CssError(__METHOD__ . ": Base path <code>" . ($this->configuration["BasePath"] ? $this->configuration["BasePath"] : "null"). "</code> is not a directory"), E_USER_WARNING); return 0; } for ($i = 0, $l = count($tokens); $i < $l; $i++) { if (get_class($tokens[$i]) === "CssAtImportToken") { $import = $this->configuration["BasePath"] . "/" . $tokens[$i]->Import; // Import file was not found/is not a file if (!is_file($import)) { trigger_error(new CssError(__METHOD__ . ": Import file <code>" . $import. "</code> was not found.", (string) $tokens[$i]), E_USER_WARNING); } // Import file already imported; remove this @import at-rule to prevent recursions elseif (in_array($import, $this->imported)) { trigger_error(new CssError(__METHOD__ . ": Import file <code>" . $import. "</code> was already imported.", (string) $tokens[$i]), E_USER_WARNING); $tokens[$i] = null; } else { $this->imported[] = $import; $parser = new CssParser(file_get_contents($import)); $import = $parser->getTokens(); // The @import at-rule has media types defined requiring special handling if (count($tokens[$i]->MediaTypes) > 0 && !(count($tokens[$i]->MediaTypes) == 1 && $tokens[$i]->MediaTypes[0] == "all")) { $blocks = array(); /* * Filter or set media types of @import at-rule or remove the @import at-rule if no media type is matching the parent @import at-rule */ for($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtImportToken") { // @import at-rule defines no media type or only the "all" media type; set the media types to the one defined in the parent @import at-rule if (count($import[$ii]->MediaTypes) == 0 || (count($import[$ii]->MediaTypes) == 1 && $import[$ii]->MediaTypes[0] == "all")) { $import[$ii]->MediaTypes = $tokens[$i]->MediaTypes; } // @import at-rule defineds one or more media types; filter out media types not matching with the parent @import at-rule elseif (count($import[$ii]->MediaTypes > 0)) { foreach ($import[$ii]->MediaTypes as $index => $mediaType) { if (!in_array($mediaType, $tokens[$i]->MediaTypes)) { unset($import[$ii]->MediaTypes[$index]); } } $import[$ii]->MediaTypes = array_values($import[$ii]->MediaTypes); // If there are no media types left in the @import at-rule remove the @import at-rule if (count($import[$ii]->MediaTypes) == 0) { $import[$ii] = null; } } } } /* * Remove media types of @media at-rule block not defined in the @import at-rule */ for($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken") { foreach ($import[$ii]->MediaTypes as $index => $mediaType) { if (!in_array($mediaType, $tokens[$i]->MediaTypes)) { unset($import[$ii]->MediaTypes[$index]); } $import[$ii]->MediaTypes = array_values($import[$ii]->MediaTypes); } } } /* * If no media types left of the @media at-rule block remove the complete block */ for($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken") { if (count($import[$ii]->MediaTypes) === 0) { for ($iii = $ii; $iii < $ll; $iii++) { if (get_class($import[$iii]) === "CssAtMediaEndToken") { break; } } if (get_class($import[$iii]) === "CssAtMediaEndToken") { array_splice($import, $ii, $iii - $ii + 1, array()); $ll = count($import); } } } } /* * If the media types of the @media at-rule equals the media types defined in the @import * at-rule remove the CssAtMediaStartToken and CssAtMediaEndToken token */ for($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken" && count(array_diff($tokens[$i]->MediaTypes, $import[$ii]->MediaTypes)) === 0) { for ($iii = $ii; $iii < $ll; $iii++) { if (get_class($import[$iii]) == "CssAtMediaEndToken") { break; } } if (get_class($import[$iii]) == "CssAtMediaEndToken") { unset($import[$ii]); unset($import[$iii]); $import = array_values($import); $ll = count($import); } } } /** * Extract CssAtImportToken and CssAtCharsetToken tokens */ for($ii = 0, $ll = count($import); $ii < $ll; $ii++) { $class = get_class($import[$ii]); if ($class === "CssAtImportToken" || $class === "CssAtCharsetToken") { $blocks = array_merge($blocks, array_splice($import, $ii, 1, array())); $ll = count($import); } } /* * Extract the @font-face, @media and @page at-rule block */ for($ii = 0, $ll = count($import); $ii < $ll; $ii++) { $class = get_class($import[$ii]); if ($class === "CssAtFontFaceStartToken" || $class === "CssAtMediaStartToken" || $class === "CssAtPageStartToken" || $class === "CssAtVariablesStartToken") { for ($iii = $ii; $iii < $ll; $iii++) { $class = get_class($import[$iii]); if ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken") { break; } } $class = get_class($import[$iii]); if (isset($import[$iii]) && ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken")) { $blocks = array_merge($blocks, array_splice($import, $ii, $iii - $ii + 1, array())); $ll = count($import); } } } // Create the import array with extracted tokens and the rulesets wrapped into a @media at-rule block $import = array_merge($blocks, array(new CssAtMediaStartToken($tokens[$i]->MediaTypes)), $import, array(new CssAtMediaEndToken())); } // Insert the imported tokens array_splice($tokens, $i, 1, $import); // Modify parameters of the for-loop $i--; $l = count($tokens); } } } } } /** * {@link aCssParserPlugin Parser plugin} for preserve parsing expression() declaration values. * * This plugin return no {@link aCssToken CssToken} but ensures that expression() declaration values will get parsed * properly. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssExpressionParserPlugin extends aCssParserPlugin { /** * Count of left braces. * * @var integer */ private $leftBraces = 0; /** * Count of right braces. * * @var integer */ private $rightBraces = 0; /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("(", ")", ";", "}"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return false; } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of expression if ($char === "(" && strtolower(substr($this->parser->getSource(), $index - 10, 11)) === "expression(" && $state !== "T_EXPRESSION") { $this->parser->pushState("T_EXPRESSION"); $this->leftBraces++; } // Count left braces elseif ($char === "(" && $state === "T_EXPRESSION") { $this->leftBraces++; } // Count right braces elseif ($char === ")" && $state === "T_EXPRESSION") { $this->rightBraces++; } // Possible end of expression; if left and right braces are equal the expressen ends elseif (($char === ";" || $char === "}") && $state === "T_EXPRESSION" && $this->leftBraces === $this->rightBraces) { $this->leftBraces = $this->rightBraces = 0; $this->parser->popState(); return $index - 1; } else { return false; } return true; } } /** * CSS Error. * * @package CssMin * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssError { /** * Error message. * * @var string */ public $Message = ""; /** * Source. * * @var string */ public $Source = ""; /** * Constructor triggering the error. * * @param string $message Error message * @param string $source Corresponding line [optional] * @return void */ public function __construct($message, $source = "") { $this->Message = $message; $this->Source = $source; } /** * Returns the error as formatted string. * * @return string */ public function __toString() { return $this->Message . ($this->Source ? ":<p><code>" . $this->Source . "</code></p>": ""); } } /** * This {@link aCssMinifierPlugin} will convert a color value in rgb notation to hexadecimal notation. * * Example: * <code> * color: rgb(200,60%,5); * </code> * * Will get converted to: * <code> * color:#c89905; * </code> * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssConvertRgbColorsMinifierPlugin extends aCssMinifierPlugin { /** * Regular expression matching the value. * * @var string */ private $reMatch = "/rgb\s*\(\s*([0-9%]+)\s*,\s*([0-9%]+)\s*,\s*([0-9%]+)\s*\)/iS"; /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { if (stripos($token->Value, "rgb") !== false && preg_match($this->reMatch, $token->Value, $m)) { for ($i = 1, $l = count($m); $i < $l; $i++) { if (strpos("%", $m[$i]) !== false) { $m[$i] = substr($m[$i], 0, -1); $m[$i] = (int) (256 * ($m[$i] / 100)); } $m[$i] = str_pad(dechex($m[$i]), 2, "0", STR_PAD_LEFT); } $token->Value = str_replace($m[0], "#" . $m[1] . $m[2] . $m[3], $token->Value); } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } } /** * This {@link aCssMinifierPlugin} will convert named color values to hexadecimal notation. * * Example: * <code> * color: black; * border: 1px solid indigo; * </code> * * Will get converted to: * <code> * color:#000; * border:1px solid #4b0082; * </code> * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssConvertNamedColorsMinifierPlugin extends aCssMinifierPlugin { /** * Regular expression matching the value. * * @var string */ private $reMatch = null; /** * Regular expression replacing the value. * * @var string */ private $reReplace = "\"\${1}\" . \$this->transformation[strtolower(\"\${2}\")] . \"\${3}\""; /** * Transformation table used by the {@link CssConvertNamedColorsMinifierPlugin::$reReplace replace regular expression}. * * @var array */ private $transformation = array ( "aliceblue" => "#f0f8ff", "antiquewhite" => "#faebd7", "aqua" => "#0ff", "aquamarine" => "#7fffd4", "azure" => "#f0ffff", "beige" => "#f5f5dc", "black" => "#000", "blue" => "#00f", "blueviolet" => "#8a2be2", "brown" => "#a52a2a", "burlywood" => "#deb887", "cadetblue" => "#5f9ea0", "chartreuse" => "#7fff00", "chocolate" => "#d2691e", "coral" => "#ff7f50", "cornflowerblue" => "#6495ed", "cornsilk" => "#fff8dc", "crimson" => "#dc143c", "darkblue" => "#00008b", "darkcyan" => "#008b8b", "darkgoldenrod" => "#b8860b", "darkgray" => "#a9a9a9", "darkgreen" => "#006400", "darkkhaki" => "#bdb76b", "darkmagenta" => "#8b008b", "darkolivegreen" => "#556b2f", "darkorange" => "#ff8c00", "darkorchid" => "#9932cc", "darkred" => "#8b0000", "darksalmon" => "#e9967a", "darkseagreen" => "#8fbc8f", "darkslateblue" => "#483d8b", "darkslategray" => "#2f4f4f", "darkturquoise" => "#00ced1", "darkviolet" => "#9400d3", "deeppink" => "#ff1493", "deepskyblue" => "#00bfff", "dimgray" => "#696969", "dodgerblue" => "#1e90ff", "firebrick" => "#b22222", "floralwhite" => "#fffaf0", "forestgreen" => "#228b22", "fuchsia" => "#f0f", "gainsboro" => "#dcdcdc", "ghostwhite" => "#f8f8ff", "gold" => "#ffd700", "goldenrod" => "#daa520", "gray" => "#808080", "green" => "#008000", "greenyellow" => "#adff2f", "honeydew" => "#f0fff0", "hotpink" => "#ff69b4", "indianred" => "#cd5c5c", "indigo" => "#4b0082", "ivory" => "#fffff0", "khaki" => "#f0e68c", "lavender" => "#e6e6fa", "lavenderblush" => "#fff0f5", "lawngreen" => "#7cfc00", "lemonchiffon" => "#fffacd", "lightblue" => "#add8e6", "lightcoral" => "#f08080", "lightcyan" => "#e0ffff", "lightgoldenrodyellow" => "#fafad2", "lightgreen" => "#90ee90", "lightgrey" => "#d3d3d3", "lightpink" => "#ffb6c1", "lightsalmon" => "#ffa07a", "lightseagreen" => "#20b2aa", "lightskyblue" => "#87cefa", "lightslategray" => "#789", "lightsteelblue" => "#b0c4de", "lightyellow" => "#ffffe0", "lime" => "#0f0", "limegreen" => "#32cd32", "linen" => "#faf0e6", "maroon" => "#800000", "mediumaquamarine" => "#66cdaa", "mediumblue" => "#0000cd", "mediumorchid" => "#ba55d3", "mediumpurple" => "#9370db", "mediumseagreen" => "#3cb371", "mediumslateblue" => "#7b68ee", "mediumspringgreen" => "#00fa9a", "mediumturquoise" => "#48d1cc", "mediumvioletred" => "#c71585", "midnightblue" => "#191970", "mintcream" => "#f5fffa", "mistyrose" => "#ffe4e1", "moccasin" => "#ffe4b5", "navajowhite" => "#ffdead", "navy" => "#000080", "oldlace" => "#fdf5e6", "olive" => "#808000", "olivedrab" => "#6b8e23", "orange" => "#ffa500", "orangered" => "#ff4500", "orchid" => "#da70d6", "palegoldenrod" => "#eee8aa", "palegreen" => "#98fb98", "paleturquoise" => "#afeeee", "palevioletred" => "#db7093", "papayawhip" => "#ffefd5", "peachpuff" => "#ffdab9", "peru" => "#cd853f", "pink" => "#ffc0cb", "plum" => "#dda0dd", "powderblue" => "#b0e0e6", "purple" => "#800080", "red" => "#f00", "rosybrown" => "#bc8f8f", "royalblue" => "#4169e1", "saddlebrown" => "#8b4513", "salmon" => "#fa8072", "sandybrown" => "#f4a460", "seagreen" => "#2e8b57", "seashell" => "#fff5ee", "sienna" => "#a0522d", "silver" => "#c0c0c0", "skyblue" => "#87ceeb", "slateblue" => "#6a5acd", "slategray" => "#708090", "snow" => "#fffafa", "springgreen" => "#00ff7f", "steelblue" => "#4682b4", "tan" => "#d2b48c", "teal" => "#008080", "thistle" => "#d8bfd8", "tomato" => "#ff6347", "turquoise" => "#40e0d0", "violet" => "#ee82ee", "wheat" => "#f5deb3", "white" => "#fff", "whitesmoke" => "#f5f5f5", "yellow" => "#ff0", "yellowgreen" => "#9acd32" ); /** * Overwrites {@link aCssMinifierPlugin::__construct()}. * * The constructor will create the {@link CssConvertNamedColorsMinifierPlugin::$reReplace replace regular expression} * based on the {@link CssConvertNamedColorsMinifierPlugin::$transformation transformation table}. * * @param CssMinifier $minifier The CssMinifier object of this plugin. * @param array $configuration Plugin configuration [optional] * @return void */ public function __construct(CssMinifier $minifier, array $configuration = array()) { $this->reMatch = "/(^|\s)+(" . implode("|", array_keys($this->transformation)) . ")(\s|$)+/eiS"; parent::__construct($minifier, $configuration); } /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { $lcValue = strtolower($token->Value); // Declaration value equals a value in the transformation table => simple replace if (isset($this->transformation[$lcValue])) { $token->Value = $this->transformation[$lcValue]; } // Declaration value contains a value in the transformation table => regular expression replace elseif (preg_match($this->reMatch, $token->Value)) { $token->Value = preg_replace($this->reMatch, $this->reReplace, $token->Value); } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } } /** * This {@link aCssMinifierFilter minifier filter} triggers on CSS Level 3 properties and will add declaration tokens * with browser-specific properties. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssConvertLevel3PropertiesMinifierFilter extends aCssMinifierFilter { /** * Css property transformations table. Used to convert CSS3 and proprietary properties to the browser-specific * counterparts. * * @var array */ private $transformations = array ( // Property Array(Mozilla, Webkit, Opera, Internet Explorer); NULL values are placeholders and will get ignored "animation" => array(null, "-webkit-animation", null, null), "animation-delay" => array(null, "-webkit-animation-delay", null, null), "animation-direction" => array(null, "-webkit-animation-direction", null, null), "animation-duration" => array(null, "-webkit-animation-duration", null, null), "animation-fill-mode" => array(null, "-webkit-animation-fill-mode", null, null), "animation-iteration-count" => array(null, "-webkit-animation-iteration-count", null, null), "animation-name" => array(null, "-webkit-animation-name", null, null), "animation-play-state" => array(null, "-webkit-animation-play-state", null, null), "animation-timing-function" => array(null, "-webkit-animation-timing-function", null, null), "appearance" => array("-moz-appearance", "-webkit-appearance", null, null), "backface-visibility" => array(null, "-webkit-backface-visibility", null, null), "background-clip" => array(null, "-webkit-background-clip", null, null), "background-composite" => array(null, "-webkit-background-composite", null, null), "background-inline-policy" => array("-moz-background-inline-policy", null, null, null), "background-origin" => array(null, "-webkit-background-origin", null, null), "background-position-x" => array(null, null, null, "-ms-background-position-x"), "background-position-y" => array(null, null, null, "-ms-background-position-y"), "background-size" => array(null, "-webkit-background-size", null, null), "behavior" => array(null, null, null, "-ms-behavior"), "binding" => array("-moz-binding", null, null, null), "border-after" => array(null, "-webkit-border-after", null, null), "border-after-color" => array(null, "-webkit-border-after-color", null, null), "border-after-style" => array(null, "-webkit-border-after-style", null, null), "border-after-width" => array(null, "-webkit-border-after-width", null, null), "border-before" => array(null, "-webkit-border-before", null, null), "border-before-color" => array(null, "-webkit-border-before-color", null, null), "border-before-style" => array(null, "-webkit-border-before-style", null, null), "border-before-width" => array(null, "-webkit-border-before-width", null, null), "border-border-bottom-colors" => array("-moz-border-bottom-colors", null, null, null), "border-bottom-left-radius" => array("-moz-border-radius-bottomleft", "-webkit-border-bottom-left-radius", null, null), "border-bottom-right-radius" => array("-moz-border-radius-bottomright", "-webkit-border-bottom-right-radius", null, null), "border-end" => array("-moz-border-end", "-webkit-border-end", null, null), "border-end-color" => array("-moz-border-end-color", "-webkit-border-end-color", null, null), "border-end-style" => array("-moz-border-end-style", "-webkit-border-end-style", null, null), "border-end-width" => array("-moz-border-end-width", "-webkit-border-end-width", null, null), "border-fit" => array(null, "-webkit-border-fit", null, null), "border-horizontal-spacing" => array(null, "-webkit-border-horizontal-spacing", null, null), "border-image" => array("-moz-border-image", "-webkit-border-image", null, null), "border-left-colors" => array("-moz-border-left-colors", null, null, null), "border-radius" => array("-moz-border-radius", "-webkit-border-radius", null, null), "border-border-right-colors" => array("-moz-border-right-colors", null, null, null), "border-start" => array("-moz-border-start", "-webkit-border-start", null, null), "border-start-color" => array("-moz-border-start-color", "-webkit-border-start-color", null, null), "border-start-style" => array("-moz-border-start-style", "-webkit-border-start-style", null, null), "border-start-width" => array("-moz-border-start-width", "-webkit-border-start-width", null, null), "border-top-colors" => array("-moz-border-top-colors", null, null, null), "border-top-left-radius" => array("-moz-border-radius-topleft", "-webkit-border-top-left-radius", null, null), "border-top-right-radius" => array("-moz-border-radius-topright", "-webkit-border-top-right-radius", null, null), "border-vertical-spacing" => array(null, "-webkit-border-vertical-spacing", null, null), "box-align" => array("-moz-box-align", "-webkit-box-align", null, null), "box-direction" => array("-moz-box-direction", "-webkit-box-direction", null, null), "box-flex" => array("-moz-box-flex", "-webkit-box-flex", null, null), "box-flex-group" => array(null, "-webkit-box-flex-group", null, null), "box-flex-lines" => array(null, "-webkit-box-flex-lines", null, null), "box-ordinal-group" => array("-moz-box-ordinal-group", "-webkit-box-ordinal-group", null, null), "box-orient" => array("-moz-box-orient", "-webkit-box-orient", null, null), "box-pack" => array("-moz-box-pack", "-webkit-box-pack", null, null), "box-reflect" => array(null, "-webkit-box-reflect", null, null), "box-shadow" => array("-moz-box-shadow", "-webkit-box-shadow", null, null), "box-sizing" => array("-moz-box-sizing", null, null, null), "color-correction" => array(null, "-webkit-color-correction", null, null), "column-break-after" => array(null, "-webkit-column-break-after", null, null), "column-break-before" => array(null, "-webkit-column-break-before", null, null), "column-break-inside" => array(null, "-webkit-column-break-inside", null, null), "column-count" => array("-moz-column-count", "-webkit-column-count", null, null), "column-gap" => array("-moz-column-gap", "-webkit-column-gap", null, null), "column-rule" => array("-moz-column-rule", "-webkit-column-rule", null, null), "column-rule-color" => array("-moz-column-rule-color", "-webkit-column-rule-color", null, null), "column-rule-style" => array("-moz-column-rule-style", "-webkit-column-rule-style", null, null), "column-rule-width" => array("-moz-column-rule-width", "-webkit-column-rule-width", null, null), "column-span" => array(null, "-webkit-column-span", null, null), "column-width" => array("-moz-column-width", "-webkit-column-width", null, null), "columns" => array(null, "-webkit-columns", null, null), "filter" => array(__CLASS__, "filter"), "float-edge" => array("-moz-float-edge", null, null, null), "font-feature-settings" => array("-moz-font-feature-settings", null, null, null), "font-language-override" => array("-moz-font-language-override", null, null, null), "font-size-delta" => array(null, "-webkit-font-size-delta", null, null), "font-smoothing" => array(null, "-webkit-font-smoothing", null, null), "force-broken-image-icon" => array("-moz-force-broken-image-icon", null, null, null), "highlight" => array(null, "-webkit-highlight", null, null), "hyphenate-character" => array(null, "-webkit-hyphenate-character", null, null), "hyphenate-locale" => array(null, "-webkit-hyphenate-locale", null, null), "hyphens" => array(null, "-webkit-hyphens", null, null), "force-broken-image-icon" => array("-moz-image-region", null, null, null), "ime-mode" => array(null, null, null, "-ms-ime-mode"), "interpolation-mode" => array(null, null, null, "-ms-interpolation-mode"), "layout-flow" => array(null, null, null, "-ms-layout-flow"), "layout-grid" => array(null, null, null, "-ms-layout-grid"), "layout-grid-char" => array(null, null, null, "-ms-layout-grid-char"), "layout-grid-line" => array(null, null, null, "-ms-layout-grid-line"), "layout-grid-mode" => array(null, null, null, "-ms-layout-grid-mode"), "layout-grid-type" => array(null, null, null, "-ms-layout-grid-type"), "line-break" => array(null, "-webkit-line-break", null, "-ms-line-break"), "line-clamp" => array(null, "-webkit-line-clamp", null, null), "line-grid-mode" => array(null, null, null, "-ms-line-grid-mode"), "logical-height" => array(null, "-webkit-logical-height", null, null), "logical-width" => array(null, "-webkit-logical-width", null, null), "margin-after" => array(null, "-webkit-margin-after", null, null), "margin-after-collapse" => array(null, "-webkit-margin-after-collapse", null, null), "margin-before" => array(null, "-webkit-margin-before", null, null), "margin-before-collapse" => array(null, "-webkit-margin-before-collapse", null, null), "margin-bottom-collapse" => array(null, "-webkit-margin-bottom-collapse", null, null), "margin-collapse" => array(null, "-webkit-margin-collapse", null, null), "margin-end" => array("-moz-margin-end", "-webkit-margin-end", null, null), "margin-start" => array("-moz-margin-start", "-webkit-margin-start", null, null), "margin-top-collapse" => array(null, "-webkit-margin-top-collapse", null, null), "marquee " => array(null, "-webkit-marquee", null, null), "marquee-direction" => array(null, "-webkit-marquee-direction", null, null), "marquee-increment" => array(null, "-webkit-marquee-increment", null, null), "marquee-repetition" => array(null, "-webkit-marquee-repetition", null, null), "marquee-speed" => array(null, "-webkit-marquee-speed", null, null), "marquee-style" => array(null, "-webkit-marquee-style", null, null), "mask" => array(null, "-webkit-mask", null, null), "mask-attachment" => array(null, "-webkit-mask-attachment", null, null), "mask-box-image" => array(null, "-webkit-mask-box-image", null, null), "mask-clip" => array(null, "-webkit-mask-clip", null, null), "mask-composite" => array(null, "-webkit-mask-composite", null, null), "mask-image" => array(null, "-webkit-mask-image", null, null), "mask-origin" => array(null, "-webkit-mask-origin", null, null), "mask-position" => array(null, "-webkit-mask-position", null, null), "mask-position-x" => array(null, "-webkit-mask-position-x", null, null), "mask-position-y" => array(null, "-webkit-mask-position-y", null, null), "mask-repeat" => array(null, "-webkit-mask-repeat", null, null), "mask-repeat-x" => array(null, "-webkit-mask-repeat-x", null, null), "mask-repeat-y" => array(null, "-webkit-mask-repeat-y", null, null), "mask-size" => array(null, "-webkit-mask-size", null, null), "match-nearest-mail-blockquote-color" => array(null, "-webkit-match-nearest-mail-blockquote-color", null, null), "max-logical-height" => array(null, "-webkit-max-logical-height", null, null), "max-logical-width" => array(null, "-webkit-max-logical-width", null, null), "min-logical-height" => array(null, "-webkit-min-logical-height", null, null), "min-logical-width" => array(null, "-webkit-min-logical-width", null, null), "object-fit" => array(null, null, "-o-object-fit", null), "object-position" => array(null, null, "-o-object-position", null), "opacity" => array(__CLASS__, "opacity"), "outline-radius" => array("-moz-outline-radius", null, null, null), "outline-bottom-left-radius" => array("-moz-outline-radius-bottomleft", null, null, null), "outline-bottom-right-radius" => array("-moz-outline-radius-bottomright", null, null, null), "outline-top-left-radius" => array("-moz-outline-radius-topleft", null, null, null), "outline-top-right-radius" => array("-moz-outline-radius-topright", null, null, null), "padding-after" => array(null, "-webkit-padding-after", null, null), "padding-before" => array(null, "-webkit-padding-before", null, null), "padding-end" => array("-moz-padding-end", "-webkit-padding-end", null, null), "padding-start" => array("-moz-padding-start", "-webkit-padding-start", null, null), "perspective" => array(null, "-webkit-perspective", null, null), "perspective-origin" => array(null, "-webkit-perspective-origin", null, null), "perspective-origin-x" => array(null, "-webkit-perspective-origin-x", null, null), "perspective-origin-y" => array(null, "-webkit-perspective-origin-y", null, null), "rtl-ordering" => array(null, "-webkit-rtl-ordering", null, null), "scrollbar-3dlight-color" => array(null, null, null, "-ms-scrollbar-3dlight-color"), "scrollbar-arrow-color" => array(null, null, null, "-ms-scrollbar-arrow-color"), "scrollbar-base-color" => array(null, null, null, "-ms-scrollbar-base-color"), "scrollbar-darkshadow-color" => array(null, null, null, "-ms-scrollbar-darkshadow-color"), "scrollbar-face-color" => array(null, null, null, "-ms-scrollbar-face-color"), "scrollbar-highlight-color" => array(null, null, null, "-ms-scrollbar-highlight-color"), "scrollbar-shadow-color" => array(null, null, null, "-ms-scrollbar-shadow-color"), "scrollbar-track-color" => array(null, null, null, "-ms-scrollbar-track-color"), "stack-sizing" => array("-moz-stack-sizing", null, null, null), "svg-shadow" => array(null, "-webkit-svg-shadow", null, null), "tab-size" => array("-moz-tab-size", null, "-o-tab-size", null), "table-baseline" => array(null, null, "-o-table-baseline", null), "text-align-last" => array(null, null, null, "-ms-text-align-last"), "text-autospace" => array(null, null, null, "-ms-text-autospace"), "text-combine" => array(null, "-webkit-text-combine", null, null), "text-decorations-in-effect" => array(null, "-webkit-text-decorations-in-effect", null, null), "text-emphasis" => array(null, "-webkit-text-emphasis", null, null), "text-emphasis-color" => array(null, "-webkit-text-emphasis-color", null, null), "text-emphasis-position" => array(null, "-webkit-text-emphasis-position", null, null), "text-emphasis-style" => array(null, "-webkit-text-emphasis-style", null, null), "text-fill-color" => array(null, "-webkit-text-fill-color", null, null), "text-justify" => array(null, null, null, "-ms-text-justify"), "text-kashida-space" => array(null, null, null, "-ms-text-kashida-space"), "text-overflow" => array(null, null, "-o-text-overflow", "-ms-text-overflow"), "text-security" => array(null, "-webkit-text-security", null, null), "text-size-adjust" => array(null, "-webkit-text-size-adjust", null, "-ms-text-size-adjust"), "text-stroke" => array(null, "-webkit-text-stroke", null, null), "text-stroke-color" => array(null, "-webkit-text-stroke-color", null, null), "text-stroke-width" => array(null, "-webkit-text-stroke-width", null, null), "text-underline-position" => array(null, null, null, "-ms-text-underline-position"), "transform" => array("-moz-transform", "-webkit-transform", "-o-transform", null), "transform-origin" => array("-moz-transform-origin", "-webkit-transform-origin", "-o-transform-origin", null), "transform-origin-x" => array(null, "-webkit-transform-origin-x", null, null), "transform-origin-y" => array(null, "-webkit-transform-origin-y", null, null), "transform-origin-z" => array(null, "-webkit-transform-origin-z", null, null), "transform-style" => array(null, "-webkit-transform-style", null, null), "transition" => array("-moz-transition", "-webkit-transition", "-o-transition", null), "transition-delay" => array("-moz-transition-delay", "-webkit-transition-delay", "-o-transition-delay", null), "transition-duration" => array("-moz-transition-duration", "-webkit-transition-duration", "-o-transition-duration", null), "transition-property" => array("-moz-transition-property", "-webkit-transition-property", "-o-transition-property", null), "transition-timing-function" => array("-moz-transition-timing-function", "-webkit-transition-timing-function", "-o-transition-timing-function", null), "user-drag" => array(null, "-webkit-user-drag", null, null), "user-focus" => array("-moz-user-focus", null, null, null), "user-input" => array("-moz-user-input", null, null, null), "user-modify" => array("-moz-user-modify", "-webkit-user-modify", null, null), "user-select" => array("-moz-user-select", "-webkit-user-select", null, null), "white-space" => array(__CLASS__, "whiteSpace"), "window-shadow" => array("-moz-window-shadow", null, null, null), "word-break" => array(null, null, null, "-ms-word-break"), "word-wrap" => array(null, null, null, "-ms-word-wrap"), "writing-mode" => array(null, "-webkit-writing-mode", null, "-ms-writing-mode"), "zoom" => array(null, null, null, "-ms-zoom") ); /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { $r = 0; $transformations = &$this->transformations; for ($i = 0, $l = count($tokens); $i < $l; $i++) { if (get_class($tokens[$i]) === "CssRulesetDeclarationToken") { $tProperty = $tokens[$i]->Property; if (isset($transformations[$tProperty])) { $result = array(); if (is_callable($transformations[$tProperty])) { $result = call_user_func_array($transformations[$tProperty], array($tokens[$i])); if (!is_array($result) && is_object($result)) { $result = array($result); } } else { $tValue = $tokens[$i]->Value; $tMediaTypes = $tokens[$i]->MediaTypes; foreach ($transformations[$tProperty] as $property) { if ($property !== null) { $result[] = new CssRulesetDeclarationToken($property, $tValue, $tMediaTypes); } } } if (count($result) > 0) { array_splice($tokens, $i + 1, 0, $result); $i += count($result); $l += count($result); } } } } return $r; } /** * Transforms the Internet Explorer specific declaration property "filter" to Internet Explorer 8+ compatible * declaratiopn property "-ms-filter". * * @param aCssToken $token * @return array */ private static function filter($token) { $r = array ( new CssRulesetDeclarationToken("-ms-filter", "\"" . $token->Value . "\"", $token->MediaTypes), ); return $r; } /** * Transforms "opacity: {value}" into browser specific counterparts. * * @param aCssToken $token * @return array */ private static function opacity($token) { // Calculate the value for Internet Explorer filter statement $ieValue = (int) ((float) $token->Value * 100); $r = array ( // Internet Explorer >= 8 new CssRulesetDeclarationToken("-ms-filter", "\"alpha(opacity=" . $ieValue . ")\"", $token->MediaTypes), // Internet Explorer >= 4 <= 7 new CssRulesetDeclarationToken("filter", "alpha(opacity=" . $ieValue . ")", $token->MediaTypes), new CssRulesetDeclarationToken("zoom", "1", $token->MediaTypes) ); return $r; } /** * Transforms "white-space: pre-wrap" into browser specific counterparts. * * @param aCssToken $token * @return array */ private static function whiteSpace($token) { if (strtolower($token->Value) === "pre-wrap") { $r = array ( // Firefox < 3 new CssRulesetDeclarationToken("white-space", "-moz-pre-wrap", $token->MediaTypes), // Webkit new CssRulesetDeclarationToken("white-space", "-webkit-pre-wrap", $token->MediaTypes), // Opera >= 4 <= 6 new CssRulesetDeclarationToken("white-space", "-pre-wrap", $token->MediaTypes), // Opera >= 7 new CssRulesetDeclarationToken("white-space", "-o-pre-wrap", $token->MediaTypes), // Internet Explorer >= 5.5 new CssRulesetDeclarationToken("word-wrap", "break-word", $token->MediaTypes) ); return $r; } else { return array(); } } } /** * This {@link aCssMinifierFilter minifier filter} will convert @keyframes at-rule block to browser specific counterparts. * * @package CssMin/Minifier/Filters * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssConvertLevel3AtKeyframesMinifierFilter extends aCssMinifierFilter { /** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { $r = 0; $transformations = array("-webkit-keyframes"); for ($i = 0, $l = count($tokens); $i < $l; $i++) { if (get_class($tokens[$i]) === "CssAtKeyframesStartToken") { for ($ii = $i; $ii < $l; $ii++) { if (get_class($tokens[$ii]) === "CssAtKeyframesEndToken") { break; } } if (get_class($tokens[$ii]) === "CssAtKeyframesEndToken") { $add = array(); $source = array(); for ($iii = $i; $iii <= $ii; $iii++) { $source[] = clone($tokens[$iii]); } foreach ($transformations as $transformation) { $t = $source; $t[0]->AtRuleName = $transformation; $add = array_merge($add, $t); } if (isset($this->configuration["RemoveSource"]) && $this->configuration["RemoveSource"] === true) { array_splice($tokens, $i, $ii - $i, $add); } else { array_splice($tokens, $ii + 1, 0, $add); } $l = count($tokens); $i = $ii + count($add); $r += count($add); } } } return $r; } } /** * This {@link aCssMinifierPlugin} will convert a color value in hsl notation to hexadecimal notation. * * Example: * <code> * color: hsl(232,36%,48%); * </code> * * Will get converted to: * <code> * color:#4e5aa7; * </code> * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssConvertHslColorsMinifierPlugin extends aCssMinifierPlugin { /** * Regular expression matching the value. * * @var string */ private $reMatch = "/^hsl\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*%\s*,\s*([0-9]+)\s*%\s*\)/iS"; /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { if (stripos($token->Value, "hsl") !== false && preg_match($this->reMatch, $token->Value, $m)) { $token->Value = str_replace($m[0], $this->hsl2hex($m[1], $m[2], $m[3]), $token->Value); } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } /** * Convert a HSL value to hexadecimal notation. * * Based on: {@link http://www.easyrgb.com/index.php?X=MATH&H=19#text19}. * * @param integer $hue Hue * @param integer $saturation Saturation * @param integer $lightness Lightnesss * @return string */ private function hsl2hex($hue, $saturation, $lightness) { $hue = $hue / 360; $saturation = $saturation / 100; $lightness = $lightness / 100; if ($saturation == 0) { $red = $lightness * 255; $green = $lightness * 255; $blue = $lightness * 255; } else { if ($lightness < 0.5 ) { $v2 = $lightness * (1 + $saturation); } else { $v2 = ($lightness + $saturation) - ($saturation * $lightness); } $v1 = 2 * $lightness - $v2; $red = 255 * self::hue2rgb($v1, $v2, $hue + (1 / 3)); $green = 255 * self::hue2rgb($v1, $v2, $hue); $blue = 255 * self::hue2rgb($v1, $v2, $hue - (1 / 3)); } return "#" . str_pad(dechex(round($red)), 2, "0", STR_PAD_LEFT) . str_pad(dechex(round($green)), 2, "0", STR_PAD_LEFT) . str_pad(dechex(round($blue)), 2, "0", STR_PAD_LEFT); } /** * Apply hue to a rgb color value. * * @param integer $v1 Value 1 * @param integer $v2 Value 2 * @param integer $hue Hue * @return integer */ private function hue2rgb($v1, $v2, $hue) { if ($hue < 0) { $hue += 1; } if ($hue > 1) { $hue -= 1; } if ((6 * $hue) < 1) { return ($v1 + ($v2 - $v1) * 6 * $hue); } if ((2 * $hue) < 1) { return ($v2); } if ((3 * $hue) < 2) { return ($v1 + ($v2 - $v1) * (( 2 / 3) - $hue) * 6); } return $v1; } } /** * This {@link aCssMinifierPlugin} will convert the font-weight values normal and bold to their numeric notation. * * Example: * <code> * font-weight: normal; * font: bold 11px monospace; * </code> * * Will get converted to: * <code> * font-weight:400; * font:700 11px monospace; * </code> * * @package CssMin/Minifier/Pluginsn * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssConvertFontWeightMinifierPlugin extends aCssMinifierPlugin { /** * Array of included declaration properties this plugin will process; others declaration properties will get * ignored. * * @var array */ private $include = array ( "font", "font-weight" ); /** * Regular expression matching the value. * * @var string */ private $reMatch = null; /** * Regular expression replace the value. * * @var string */ private $reReplace = "\"\${1}\" . \$this->transformation[\"\${2}\"] . \"\${3}\""; /** * Transformation table used by the {@link CssConvertFontWeightMinifierPlugin::$reReplace replace regular expression}. * * @var array */ private $transformation = array ( "normal" => "400", "bold" => "700" ); /** * Overwrites {@link aCssMinifierPlugin::__construct()}. * * The constructor will create the {@link CssConvertFontWeightMinifierPlugin::$reReplace replace regular expression} * based on the {@link CssConvertFontWeightMinifierPlugin::$transformation transformation table}. * * @param CssMinifier $minifier The CssMinifier object of this plugin. * @return void */ public function __construct(CssMinifier $minifier) { $this->reMatch = "/(^|\s)+(" . implode("|", array_keys($this->transformation)). ")(\s|$)+/eiS"; parent::__construct($minifier); } /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { if (in_array($token->Property, $this->include) && preg_match($this->reMatch, $token->Value, $m)) { $token->Value = preg_replace($this->reMatch, $this->reReplace, $token->Value); } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } } /** * This {@link aCssMinifierPlugin} will compress several unit values to their short notations. Examples: * * <code> * padding: 0.5em; * border: 0px; * margin: 0 0 0 0; * </code> * * Will get compressed to: * * <code> * padding:.5px; * border:0; * margin:0; * </code> * * -- * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssCompressUnitValuesMinifierPlugin extends aCssMinifierPlugin { /** * Regular expression used for matching and replacing unit values. * * @var array */ private $re = array ( "/(^| |-)0\.([0-9]+?)(0+)?(%|em|ex|px|in|cm|mm|pt|pc)/iS" => "\${1}.\${2}\${4}", "/(^| )-?(\.?)0(%|em|ex|px|in|cm|mm|pt|pc)/iS" => "\${1}0", "/(^0\s0\s0\s0)|(^0\s0\s0$)|(^0\s0$)/iS" => "0" ); /** * Regular expression matching the value. * * @var string */ private $reMatch = "/(^| |-)0\.([0-9]+?)(0+)?(%|em|ex|px|in|cm|mm|pt|pc)|(^| )-?(\.?)0(%|em|ex|px|in|cm|mm|pt|pc)|(^0\s0\s0\s0$)|(^0\s0\s0$)|(^0\s0$)/iS"; /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { if (preg_match($this->reMatch, $token->Value)) { foreach ($this->re as $reMatch => $reReplace) { $token->Value = preg_replace($reMatch, $reReplace, $token->Value); } } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } } /** * This {@link aCssMinifierPlugin} compress the content of expresssion() declaration values. * * For compression of expressions {@link https://github.com/rgrove/jsmin-php/ JSMin} will get used. JSMin have to be * already included or loadable via {@link http://goo.gl/JrW54 PHP autoloading}. * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssCompressExpressionValuesMinifierPlugin extends aCssMinifierPlugin { /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { if (class_exists("JSMin") && stripos($token->Value, "expression(") !== false) { $value = $token->Value; $value = substr($token->Value, stripos($token->Value, "expression(") + 10); $value = trim(JSMin::minify($value)); $token->Value = "expression(" . $value . ")"; } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } } /** * This {@link aCssMinifierPlugin} will convert hexadecimal color value with 6 chars to their 3 char hexadecimal * notation (if possible). * * Example: * <code> * color: #aabbcc; * </code> * * Will get converted to: * <code> * color:#abc; * </code> * * @package CssMin/Minifier/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssCompressColorValuesMinifierPlugin extends aCssMinifierPlugin { /** * Regular expression matching 6 char hexadecimal color values. * * @var string */ private $reMatch = "/\#([0-9a-f]{6})/iS"; /** * Implements {@link aCssMinifierPlugin::minify()}. * * @param aCssToken $token Token to process * @return boolean Return TRUE to break the processing of this token; FALSE to continue */ public function apply(aCssToken &$token) { if (strpos($token->Value, "#") !== false && preg_match($this->reMatch, $token->Value, $m)) { $value = strtolower($m[1]); if ($value[0] == $value[1] && $value[2] == $value[3] && $value[4] == $value[5]) { $token->Value = str_replace($m[0], "#" . $value[0] . $value[2] . $value[4], $token->Value); } } return false; } /** * Implements {@link aMinifierPlugin::getTriggerTokens()} * * @return array */ public function getTriggerTokens() { return array ( "CssAtFontFaceDeclarationToken", "CssAtPageDeclarationToken", "CssRulesetDeclarationToken" ); } } /** * This {@link aCssToken CSS token} represents a CSS comment. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssCommentToken extends aCssToken { /** * Comment as Text. * * @var string */ public $Comment = ""; /** * Set the properties of a comment token. * * @param string $comment Comment including comment delimiters * @return void */ public function __construct($comment) { $this->Comment = $comment; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return $this->Comment; } } /** * {@link aCssParserPlugin Parser plugin} for parsing comments. * * Adds a {@link CssCommentToken} to the parser if a comment was found. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssCommentParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("*", "/"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return false; } /** * Stored buffer for restore. * * @var string */ private $restoreBuffer = ""; /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { if ($char === "*" && $previousChar === "/" && $state !== "T_COMMENT") { $this->parser->pushState("T_COMMENT"); $this->parser->setExclusive(__CLASS__); $this->restoreBuffer = substr($this->parser->getAndClearBuffer(), 0, -2); } elseif ($char === "/" && $previousChar === "*" && $state === "T_COMMENT") { $this->parser->popState(); $this->parser->unsetExclusive(); $this->parser->appendToken(new CssCommentToken("/*" . $this->parser->getAndClearBuffer())); $this->parser->setBuffer($this->restoreBuffer); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the start of a @variables at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtVariablesStartToken extends aCssAtBlockStartToken { /** * Media types of the @variables at-rule block. * * @var array */ public $MediaTypes = array(); /** * Set the properties of a @variables at-rule token. * * @param array $mediaTypes Media types * @return void */ public function __construct($mediaTypes = null) { $this->MediaTypes = $mediaTypes ? $mediaTypes : array("all"); } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return ""; } } /** * {@link aCssParserPlugin Parser plugin} for parsing @variables at-rule block with including declarations. * * Found @variables at-rule blocks will add a {@link CssAtVariablesStartToken} and {@link CssAtVariablesEndToken} to the * parser; including declarations as {@link CssAtVariablesDeclarationToken}. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtVariablesParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("@", "{", "}", ":", ";"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_VARIABLES::PREPARE", "T_AT_VARIABLES", "T_AT_VARIABLES_DECLARATION"); } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of @variables at-rule block if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 10)) === "@variables") { $this->parser->pushState("T_AT_VARIABLES::PREPARE"); $this->parser->clearBuffer(); return $index + 10; } // Start of @variables declarations elseif ($char === "{" && $state === "T_AT_VARIABLES::PREPARE") { $this->parser->setState("T_AT_VARIABLES"); $mediaTypes = array_filter(array_map("trim", explode(",", $this->parser->getAndClearBuffer("{")))); $this->parser->appendToken(new CssAtVariablesStartToken($mediaTypes)); } // Start of @variables declaration if ($char === ":" && $state === "T_AT_VARIABLES") { $this->buffer = $this->parser->getAndClearBuffer(":"); $this->parser->pushState("T_AT_VARIABLES_DECLARATION"); } // Unterminated @variables declaration elseif ($char === ":" && $state === "T_AT_VARIABLES_DECLARATION") { // Ignore Internet Explorer filter declarations if ($this->buffer === "filter") { return false; } trigger_error(new CssError(__METHOD__ . ": Unterminated @variables declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING); } // End of @variables declaration elseif (($char === ";" || $char === "}") && $state === "T_AT_VARIABLES_DECLARATION") { $value = $this->parser->getAndClearBuffer(";}"); if (strtolower(substr($value, -10, 10)) === "!important") { $value = trim(substr($value, 0, -10)); $isImportant = true; } else { $isImportant = false; } $this->parser->popState(); $this->parser->appendToken(new CssAtVariablesDeclarationToken($this->buffer, $value, $isImportant)); $this->buffer = ""; } // End of @variables at-rule block elseif ($char === "}" && $state === "T_AT_VARIABLES") { $this->parser->popState(); $this->parser->clearBuffer(); $this->parser->appendToken(new CssAtVariablesEndToken()); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the end of a @variables at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtVariablesEndToken extends aCssAtBlockEndToken { /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return ""; } } /** * This {@link aCssToken CSS token} represents a declaration of a @variables at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtVariablesDeclarationToken extends aCssDeclarationToken { /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return ""; } } /** * This {@link aCssToken CSS token} represents the start of a @page at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtPageStartToken extends aCssAtBlockStartToken { /** * Selector. * * @var string */ public $Selector = ""; /** * Sets the properties of the @page at-rule. * * @param string $selector Selector * @return void */ public function __construct($selector = "") { $this->Selector = $selector; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "@page" . ($this->Selector ? " " . $this->Selector : "") . "{"; } } /** * {@link aCssParserPlugin Parser plugin} for parsing @page at-rule block with including declarations. * * Found @page at-rule blocks will add a {@link CssAtPageStartToken} and {@link CssAtPageEndToken} to the * parser; including declarations as {@link CssAtPageDeclarationToken}. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtPageParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("@", "{", "}", ":", ";"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_PAGE::SELECTOR", "T_AT_PAGE", "T_AT_PAGE_DECLARATION"); } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of @page at-rule block if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 5)) === "@page") { $this->parser->pushState("T_AT_PAGE::SELECTOR"); $this->parser->clearBuffer(); return $index + 5; } // Start of @page declarations elseif ($char === "{" && $state === "T_AT_PAGE::SELECTOR") { $selector = $this->parser->getAndClearBuffer("{"); $this->parser->setState("T_AT_PAGE"); $this->parser->clearBuffer(); $this->parser->appendToken(new CssAtPageStartToken($selector)); } // Start of @page declaration elseif ($char === ":" && $state === "T_AT_PAGE") { $this->parser->pushState("T_AT_PAGE_DECLARATION"); $this->buffer = $this->parser->getAndClearBuffer(":", true); } // Unterminated @font-face declaration elseif ($char === ":" && $state === "T_AT_PAGE_DECLARATION") { // Ignore Internet Explorer filter declarations if ($this->buffer === "filter") { return false; } trigger_error(new CssError(__METHOD__ . ": Unterminated @page declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING); } // End of @page declaration elseif (($char === ";" || $char === "}") && $state == "T_AT_PAGE_DECLARATION") { $value = $this->parser->getAndClearBuffer(";}"); if (strtolower(substr($value, -10, 10)) == "!important") { $value = trim(substr($value, 0, -10)); $isImportant = true; } else { $isImportant = false; } $this->parser->popState(); $this->parser->appendToken(new CssAtPageDeclarationToken($this->buffer, $value, $isImportant)); // -- if ($char === "}") { $this->parser->popState(); $this->parser->appendToken(new CssAtPageEndToken()); } $this->buffer = ""; } // End of @page at-rule block elseif ($char === "}" && $state === "T_AT_PAGE") { $this->parser->popState(); $this->parser->clearBuffer(); $this->parser->appendToken(new CssAtPageEndToken()); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the end of a @page at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtPageEndToken extends aCssAtBlockEndToken { } /** * This {@link aCssToken CSS token} represents a declaration of a @page at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtPageDeclarationToken extends aCssDeclarationToken { } /** * This {@link aCssToken CSS token} represents the start of a @media at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtMediaStartToken extends aCssAtBlockStartToken { /** * Sets the properties of the @media at-rule. * * @param array $mediaTypes Media types * @return void */ public function __construct(array $mediaTypes = array()) { $this->MediaTypes = $mediaTypes; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "@media " . implode(",", $this->MediaTypes) . "{"; } } /** * {@link aCssParserPlugin Parser plugin} for parsing @media at-rule block. * * Found @media at-rule blocks will add a {@link CssAtMediaStartToken} and {@link CssAtMediaEndToken} to the parser. * This plugin will also set the the current media types using {@link CssParser::setMediaTypes()} and * {@link CssParser::unsetMediaTypes()}. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtMediaParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("@", "{", "}"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_MEDIA::PREPARE", "T_AT_MEDIA"); } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 6)) === "@media") { $this->parser->pushState("T_AT_MEDIA::PREPARE"); $this->parser->clearBuffer(); return $index + 6; } elseif ($char === "{" && $state === "T_AT_MEDIA::PREPARE") { $mediaTypes = array_filter(array_map("trim", explode(",", $this->parser->getAndClearBuffer("{")))); $this->parser->setMediaTypes($mediaTypes); $this->parser->setState("T_AT_MEDIA"); $this->parser->appendToken(new CssAtMediaStartToken($mediaTypes)); } elseif ($char === "}" && $state === "T_AT_MEDIA") { $this->parser->appendToken(new CssAtMediaEndToken()); $this->parser->clearBuffer(); $this->parser->unsetMediaTypes(); $this->parser->popState(); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the end of a @media at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtMediaEndToken extends aCssAtBlockEndToken { } /** * This {@link aCssToken CSS token} represents the start of a @keyframes at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtKeyframesStartToken extends aCssAtBlockStartToken { /** * Name of the at-rule. * * @var string */ public $AtRuleName = "keyframes"; /** * Name * * @var string */ public $Name = ""; /** * Sets the properties of the @page at-rule. * * @param string $selector Selector * @return void */ public function __construct($name) { $this->Name = $name; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "@" . $this->AtRuleName . " \"" . $this->Name . "\"{"; } } /** * This {@link aCssToken CSS token} represents the start of a ruleset of a @keyframes at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtKeyframesRulesetStartToken extends aCssRulesetStartToken { /** * Array of selectors. * * @var array */ public $Selectors = array(); /** * Set the properties of a ruleset token. * * @param array $selectors Selectors of the ruleset * @return void */ public function __construct(array $selectors = array()) { $this->Selectors = $selectors; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return implode(",", $this->Selectors) . "{"; } } /** * This {@link aCssToken CSS token} represents the end of a ruleset of a @keyframes at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtKeyframesRulesetEndToken extends aCssRulesetEndToken { } /** * This {@link aCssToken CSS token} represents a ruleset declaration of a @keyframes at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtKeyframesRulesetDeclarationToken extends aCssDeclarationToken { } /** * {@link aCssParserPlugin Parser plugin} for parsing @keyframes at-rule blocks, rulesets and declarations. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtKeyframesParserPlugin extends aCssParserPlugin { /** * Selectors. * * @var array */ private $selectors = array(); /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("@", "{", "}", ":", ",", ";"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_KEYFRAMES::NAME", "T_AT_KEYFRAMES", "T_AT_KEYFRAMES_RULESETS", "T_AT_KEYFRAMES_RULESET", "T_AT_KEYFRAMES_RULESET_DECLARATION"); } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of @keyframes at-rule block if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 10)) === "@keyframes") { $this->parser->pushState("T_AT_KEYFRAMES::NAME"); $this->parser->clearBuffer(); return $index + 10; } // Start of @keyframes rulesets elseif ($char === "{" && $state === "T_AT_KEYFRAMES::NAME") { $name = $this->parser->getAndClearBuffer("{\"'"); $this->parser->setState("T_AT_KEYFRAMES_RULESETS"); $this->parser->clearBuffer(); $this->parser->appendToken(new CssAtKeyframesStartToken($name)); } // Start of @keyframe ruleset and selectors if ($char === "," && $state === "T_AT_KEYFRAMES_RULESETS") { $this->selectors[] = $this->parser->getAndClearBuffer(",{"); } // Start of a @keyframes ruleset elseif ($char === "{" && $state === "T_AT_KEYFRAMES_RULESETS") { if ($this->parser->getBuffer() !== "") { $this->selectors[] = $this->parser->getAndClearBuffer(",{"); $this->parser->pushState("T_AT_KEYFRAMES_RULESET"); $this->parser->appendToken(new CssAtKeyframesRulesetStartToken($this->selectors)); $this->selectors = array(); } } // Start of @keyframes ruleset declaration elseif ($char === ":" && $state === "T_AT_KEYFRAMES_RULESET") { $this->parser->pushState("T_AT_KEYFRAMES_RULESET_DECLARATION"); $this->buffer = $this->parser->getAndClearBuffer(":;", true); } // Unterminated @keyframes ruleset declaration elseif ($char === ":" && $state === "T_AT_KEYFRAMES_RULESET_DECLARATION") { // Ignore Internet Explorer filter declarations if ($this->buffer === "filter") { return false; } trigger_error(new CssError(__METHOD__ . ": Unterminated @keyframes ruleset declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING); } // End of declaration elseif (($char === ";" || $char === "}") && $state === "T_AT_KEYFRAMES_RULESET_DECLARATION") { $value = $this->parser->getAndClearBuffer(";}"); if (strtolower(substr($value, -10, 10)) === "!important") { $value = trim(substr($value, 0, -10)); $isImportant = true; } else { $isImportant = false; } $this->parser->popState(); $this->parser->appendToken(new CssAtKeyframesRulesetDeclarationToken($this->buffer, $value, $isImportant)); // Declaration ends with a right curly brace; so we have to end the ruleset if ($char === "}") { $this->parser->appendToken(new CssAtKeyframesRulesetEndToken()); $this->parser->popState(); } $this->buffer = ""; } // End of @keyframes ruleset elseif ($char === "}" && $state === "T_AT_KEYFRAMES_RULESET") { $this->parser->clearBuffer(); $this->parser->popState(); $this->parser->appendToken(new CssAtKeyframesRulesetEndToken()); } // End of @keyframes rulesets elseif ($char === "}" && $state === "T_AT_KEYFRAMES_RULESETS") { $this->parser->clearBuffer(); $this->parser->popState(); $this->parser->appendToken(new CssAtKeyframesEndToken()); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the end of a @keyframes at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtKeyframesEndToken extends aCssAtBlockEndToken { } /** * This {@link aCssToken CSS token} represents a @import at-rule. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0.b1 (2001-02-22) */ class CssAtImportToken extends aCssToken { /** * Import path of the @import at-rule. * * @var string */ public $Import = ""; /** * Media types of the @import at-rule. * * @var array */ public $MediaTypes = array(); /** * Set the properties of a @import at-rule token. * * @param string $import Import path * @param array $mediaTypes Media types * @return void */ public function __construct($import, $mediaTypes) { $this->Import = $import; $this->MediaTypes = $mediaTypes ? $mediaTypes : array(); } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "@import \"" . $this->Import . "\"" . (count($this->MediaTypes) > 0 ? " " . implode(",", $this->MediaTypes) : ""). ";"; } } /** * {@link aCssParserPlugin Parser plugin} for parsing @import at-rule. * * If a @import at-rule was found this plugin will add a {@link CssAtImportToken} to the parser. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtImportParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("@", ";", ",", "\n"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_IMPORT"); } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 7)) === "@import") { $this->parser->pushState("T_AT_IMPORT"); $this->parser->clearBuffer(); return $index + 7; } elseif (($char === ";" || $char === "\n") && $state === "T_AT_IMPORT") { $this->buffer = $this->parser->getAndClearBuffer(";"); $pos = false; foreach (array(")", "\"", "'") as $needle) { if (($pos = strrpos($this->buffer, $needle)) !== false) { break; } } $import = substr($this->buffer, 0, $pos + 1); if (stripos($import, "url(") === 0) { $import = substr($import, 4, -1); } $import = trim($import, " \t\n\r\0\x0B'\""); $mediaTypes = array_filter(array_map("trim", explode(",", trim(substr($this->buffer, $pos + 1), " \t\n\r\0\x0B{")))); if ($pos) { $this->parser->appendToken(new CssAtImportToken($import, $mediaTypes)); } else { trigger_error(new CssError(__METHOD__ . ": Invalid @import at-rule syntax", $this->parser->buffer), E_USER_WARNING); } $this->parser->popState(); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the start of a @font-face at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtFontFaceStartToken extends aCssAtBlockStartToken { /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "@font-face{"; } } /** * {@link aCssParserPlugin Parser plugin} for parsing @font-face at-rule block with including declarations. * * Found @font-face at-rule blocks will add a {@link CssAtFontFaceStartToken} and {@link CssAtFontFaceEndToken} to the * parser; including declarations as {@link CssAtFontFaceDeclarationToken}. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtFontFaceParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("@", "{", "}", ":", ";"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_FONT_FACE::PREPARE", "T_AT_FONT_FACE", "T_AT_FONT_FACE_DECLARATION"); } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { // Start of @font-face at-rule block if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 10)) === "@font-face") { $this->parser->pushState("T_AT_FONT_FACE::PREPARE"); $this->parser->clearBuffer(); return $index + 10; } // Start of @font-face declarations elseif ($char === "{" && $state === "T_AT_FONT_FACE::PREPARE") { $this->parser->setState("T_AT_FONT_FACE"); $this->parser->clearBuffer(); $this->parser->appendToken(new CssAtFontFaceStartToken()); } // Start of @font-face declaration elseif ($char === ":" && $state === "T_AT_FONT_FACE") { $this->parser->pushState("T_AT_FONT_FACE_DECLARATION"); $this->buffer = $this->parser->getAndClearBuffer(":", true); } // Unterminated @font-face declaration elseif ($char === ":" && $state === "T_AT_FONT_FACE_DECLARATION") { // Ignore Internet Explorer filter declarations if ($this->buffer === "filter") { return false; } trigger_error(new CssError(__METHOD__ . ": Unterminated @font-face declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING); } // End of @font-face declaration elseif (($char === ";" || $char === "}") && $state === "T_AT_FONT_FACE_DECLARATION") { $value = $this->parser->getAndClearBuffer(";}"); if (strtolower(substr($value, -10, 10)) === "!important") { $value = trim(substr($value, 0, -10)); $isImportant = true; } else { $isImportant = false; } $this->parser->popState(); $this->parser->appendToken(new CssAtFontFaceDeclarationToken($this->buffer, $value, $isImportant)); $this->buffer = ""; // -- if ($char === "}") { $this->parser->appendToken(new CssAtFontFaceEndToken()); $this->parser->popState(); } } // End of @font-face at-rule block elseif ($char === "}" && $state === "T_AT_FONT_FACE") { $this->parser->appendToken(new CssAtFontFaceEndToken()); $this->parser->clearBuffer(); $this->parser->popState(); } else { return false; } return true; } } /** * This {@link aCssToken CSS token} represents the end of a @font-face at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtFontFaceEndToken extends aCssAtBlockEndToken { } /** * This {@link aCssToken CSS token} represents a declaration of a @font-face at-rule block. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtFontFaceDeclarationToken extends aCssDeclarationToken { } /** * This {@link aCssToken CSS token} represents a @charset at-rule. * * @package CssMin/Tokens * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtCharsetToken extends aCssToken { /** * Charset of the @charset at-rule. * * @var string */ public $Charset = ""; /** * Set the properties of @charset at-rule token. * * @param string $charset Charset of the @charset at-rule token * @return void */ public function __construct($charset) { $this->Charset = $charset; } /** * Implements {@link aCssToken::__toString()}. * * @return string */ public function __toString() { return "@charset " . $this->Charset . ";"; } } /** * {@link aCssParserPlugin Parser plugin} for parsing @charset at-rule. * * If a @charset at-rule was found this plugin will add a {@link CssAtCharsetToken} to the parser. * * @package CssMin/Parser/Plugins * @link http://code.google.com/p/cssmin/ * @author Joe Scylla <joe.scylla@gmail.com> * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com> * @license http://opensource.org/licenses/mit-license.php MIT License * @version 3.0.0 */ class CssAtCharsetParserPlugin extends aCssParserPlugin { /** * Implements {@link aCssParserPlugin::getTriggerChars()}. * * @return array */ public function getTriggerChars() { return array("@", ";", "\n"); } /** * Implements {@link aCssParserPlugin::getTriggerStates()}. * * @return array */ public function getTriggerStates() { return array("T_DOCUMENT", "T_AT_CHARSET"); } /** * Implements {@link aCssParserPlugin::parse()}. * * @param integer $index Current index * @param string $char Current char * @param string $previousChar Previous char * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing */ public function parse($index, $char, $previousChar, $state) { if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 8)) === "@charset") { $this->parser->pushState("T_AT_CHARSET"); $this->parser->clearBuffer(); return $index + 8; } elseif (($char === ";" || $char === "\n") && $state === "T_AT_CHARSET") { $charset = $this->parser->getAndClearBuffer(";"); $this->parser->popState(); $this->parser->appendToken(new CssAtCharsetToken($charset)); } else { return false; } return true; } } ?>